CBSE IX Chemistry Atoms and Molecules
what is mole concept? how do we use it
Asked by
27th February 2008
2:09 PM
Answered by Expert
CBSE XII Science Chemistry Solutions
numerical question
Asked by
28th February 2008
9:46 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
plz solve with full explanation not merely answer
plz solve with full explanation not merely answer
Asked by lovemaan5500
8th December 2017
5:07 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
16th ques
16th ques
Asked by lovemaan5500
8th December 2017
5:53 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
calculate the molar mass of cao
Asked by nareshshahdynamic
3rd January 2018
1:38 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Plz solve the sum
Asked by lovemaan5500
14th January 2018
9:45 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Under the same conditions of temperature and pressure samples of gases- H2, O2, N2, and CO2- contain the same number of molecules represented by N. If the molecules of H2 occupies V litres and has a mass of 2 gm. then: i) calculate the volume occupied by- 1) N molecules of CO2; 2) 3N mlecules of O2; 3)N/2 moleules of O2.
Asked by bdroy_2014
28th January 2018
3:07 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Plz solve 19th
Asked by lovemaan5500
30th January 2018
6:27 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
a gas of mass 32g has vol. of 20litres at STP. calculate the gram molecular weight of the gas
Asked by Shrey
31st January 2018
1:37 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
What is mole concept
Asked by Lodhiram097
22nd February 2018
4:05 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Sir plzzz send me link for mole concept video lessons.
Asked by nandinidwivedi062002
1st March 2018
11:57 AM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
Define mole concept [5 marks]
Asked by sajal2402
15th March 2018
6:44 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
The number of moles of KCLO3 that will be required to give 6 moles of Oxygen?
Asked by Abhijith
17th March 2018
1:36 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Solve the numerical
Asked by lovemaan5500
17th March 2018
5:10 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Calculate weight in gram, number of moles and number of molecules in 1120 cm^3 of N2(Nitrogen gas) at S.T.P. (Take Avogadro number 6 x 10^23).
Asked by dr_pradip27121972
25th March 2018
3:38 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
how many moles of lead chloride vwill be formed from between 6.5g of PbO AND 3.2g of HCl ? (at wgt=207)
Asked by vasturushi
29th March 2018
8:22 PM
Answered by Expert
CBSE XII Science Chemistry Solutions
If the concentration of a solution is 2 M. Calculate the number of millimols present in 2 litres of the solution
Asked by nishtha02082002
20th April 2018
11:21 PM
Answer Verified by Expert
NEET1 NEET1 Chemistry
The observed molecular mass of benzoic acid in non-polar solvent will be
Asked by amrishgoyal
21st April 2018
11:07 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
How many grams of hydrogen chloride,HCL are required to prepare 4 Litre of 5M HCL in water
Asked by nishtha02082002
23rd April 2018
12:13 PM
Answer Verified by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A coating of cobalt that is 0.005cm thick is deposited on a plate that is 0.5cm^2 in total area. How many atoms of cobalt are deposited in a plate? (given density of cobalt = 8.9g cm ^-3 , atomic mass of Co = 59 amu)
Asked by Diya
26th April 2018
1:48 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Determine 1. Total no of moles present in 22g of carbon-dioxide 2. Total no of molecules of carbon-dioxide 3. Total no of oxygen atoms 4. Total no of atoms 5. Total no of moles of carbon atom 6. Total no of electron present in 22g of carbon-dioxide
Asked by ananditamanhas6
26th April 2018
8:21 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
39?
Asked by smanishkumar2002
1st May 2018
12:07 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
?
Asked by smanishkumar2002
1st May 2018
10:37 AM
Answer Verified by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
?
Asked by smanishkumar2002
1st May 2018
10:41 AM
Answer Verified by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
?
Asked by smanishkumar2002
1st May 2018
10:42 AM
Answer Verified by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
?
Asked by smanishkumar2002
1st May 2018
10:54 AM
Answer Verified by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
I WANT TO MAKE MY MOLE CONCEPT BASE BEST. HOW CAN I!
Asked by snehachattaraj1234
6th May 2018
10:26 AM
Answered by Expert
CBSE XII Science Chemistry Solutions
Calculate the number of moles of methhanol in 5L of its 2m solution if the density of solution is 0.981Kg/L
Asked by pardeepkumar2281
13th May 2018
8:06 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
1g of oxygen combine with 0.126 g of hydrogen to form H2O. 1 g of nitrogen combine with 0.126 g of hydrogen to form NH3. Predict the weight of oxygen required to combine with 1 g of nitrogen to form an oxide.
Asked by Raj
15th May 2018
6:22 AM
Answered by Expert
NEET1 NEET1 Chemistry
Review the equation :- MnO2 + 2NaCl + 3H2SO4 → MnSO4 + 2NaHSO4 + Cl2 + 2H2O In order to get 4.48 litre of Cl2 at NTP what volume of 18M H2SO4 is needed :-
Asked by Atulcaald
15th May 2018
12:58 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
how many moles of iron can be made from 16 moles of carbon monoxide
Asked by subhampanda1802
20th May 2018
8:43 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
6.02 * 10ki power 20 molecules of urea are presentin 100ml of solution the concentration of urea solution is
Asked by puneetgarg2555
22nd May 2018
7:16 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
equal moles of water and NaCl are present in a solution hence molarity of NaCl solution is?
Asked by arup.isro
4th June 2018
8:04 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
I get confused in molecular mass,molar mass ,and formula unit mass can you please explain this topic with a day to day life example???
Asked by Agil
16th June 2018
8:18 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
molecules present in 20g H2O
Asked by kusumgchouhan001
22nd June 2018
9:33 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
how many no of moles in 4.4g of carbon dioxide,and 5.6litre of oxygen
Asked by shaileshbhagat82816
3rd July 2018
7:42 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
What volume of gas is obtained at STP by passing 1.8 g of steam over red hot carbon
Asked by geethasash
4th July 2018
8:49 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
If x gram A contains Y atoms, then how many atoms are present in 2x gram of B.If atomic weight of A and B are 20 and 40 respectively.
Asked by Balbir
4th July 2018
9:17 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Find the weight of 10 gram mole of CO2
Asked by Tony
17th July 2018
10:20 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
The density of 3M solution of NaCL is 1.25 g/mL. Calculate molality of the solution
Asked by Shippyupadhyay2304
18th July 2018
10:28 PM
Answered by Expert
JEE Plances JEE (Main) Chemistry
4% by weight h2 and 96% By weight o2. find molar mass of aqueous mixture.
Asked by Vidhi.ozar
24th July 2018
7:04 AM
Answered by Expert
JEE Plances JEE (Main) Chemistry
Solve question in the image?
Asked by hariom2083
30th July 2018
2:13 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
please solve this question
Asked by shaileshbhagat82816
31st July 2018
7:11 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A gas jar contain 0.40 mole of H2s gas.calculate A)How many teams of H2s gas. B)Mole of hydrogen and sulpher. C)volume of H2s gas at NTP.
Asked by Magarsaugat123
8th August 2018
6:50 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Zn+4HNO3 gives Zn[NO3]2+2H2O+2NO2 ANSWER THE FOLLOWING QUESTION : 1 The volume of NO2 formed at 19.5 g of Zn 2 The no of moles of HNO3 taking part in the reaction 3 The no of molecules of H2O formed 4 what mass of HNO3 is required to produce 145.6L of NO2 at S.T.P
Asked by nibeditamohapatro.publicschool
15th August 2018
12:16 AM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
Mass of 0.3 moles of NH3
Asked by aman9781879075
20th August 2018
5:05 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
FIND THE NUMBER OF HYDROGEN ATOMS IN 0.25 MOLES OF H2SO4 (HYDROCHLORIC ACID). PLEASE ANSWER THIS QUESTION SOON. PLEASE.
Asked by kandappan
8th September 2018
10:41 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Plz answer these questions.
Asked by dineshchem108
15th September 2018
9:09 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
What is the amount of magnesium required to form 160 gram of magnesium oxide by burning magnesium in air
Asked by Vinitasonber073
21st September 2018
12:13 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
what is mole concept?
Asked by subashtrips
24th September 2018
5:20 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
4.008g of pure KClO3 was quantitatively decomposed to give 2.438g of KCl and oxygen. KCl was dissolved was in H2O and treated with AgNO3 sol. The result was a precipitate of AgCl weighing 4.687g. Under further treatment AgCl was found to contain 3.531g of Ag. What are the atomic weights of Ag, Cl & K relative to O=16?
Asked by Vidushi412
26th September 2018
2:01 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Sample of impure magnesium is reacted wih dilute sulphuric acid to give the respective salt and hydrogen. If 1g of impure sample gave 298.6 cc of hydrogen at s.t.p , calculate the % purity of the sample.
Asked by johncena9384
2nd October 2018
10:45 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
please could you upload chemistry mole concepts vedio
Asked by Udaykumar
19th October 2018
9:52 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Calculate the relative molecular mass[molecular weight] of 290 ml of a gas A at 17 degrees celsius and 1520 mm pressure which weighs 2.73 gram at S.T.P.
Asked by johncena9384
26th October 2018
4:08 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the no. Of atoms A) 5.6 L of NH3 B) 4.4g of Co2 C) 52u of He atomic weight =4u)
Asked by rajdhan.yadav187350
12th November 2018
2:05 PM
Answered by Expert
JEE Main Chemistry Solutions
Sr please solve the problem no. 39
Asked by misra.dinesh2706
4th January 2019
12:54 PM
Answered by Expert
NEET NEET Chemistry Solutions
Please answer the following question with explanation
Asked by deepakudgiri29
4th January 2019
5:13 PM
Answered by Expert
JEE Main Chemistry Some Basic Concepts in Chemistry
The number of neutrons in a drop of water (20 drops =1mL) at 4ºC
Asked by mail2sandeekumar1999
16th January 2019
11:42 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
What is Mole Concept
Asked by kpillai761
11th February 2019
1:31 PM
Answered by Expert
ICSE X Chemistry
How to do mole concept
Asked by bishwanathag9955
12th February 2019
7:11 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
Explain mole concept.
Asked by triptishreya422
13th February 2019
5:35 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
What is mole
Asked by Shahbazalam1308
19th February 2019
1:49 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
Mole concept
Asked by mishraadarsh865
6th March 2019
1:31 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
can you please suggest me a teacher who can explain me mole concept perfectly!!!!!
Asked by pawarkrithika1234
11th March 2019
9:14 PM
Answered by Expert
CBSE XI Science Chemistry States of Matter
at 25 degree celsius and 0.993 bar, 135 ml of a gas is collected over water. if the gas weighs 0.16g and the aqueous tension at 25 degree celsius , is 0.0317. calculate the molar mass of the gas.
Asked by Ankit
16th March 2019
1:01 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
tips for getting out of out in mole concept problems along with hard work and practice
Asked by ushanihar12
18th March 2019
4:20 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Pls solve it.
Asked by pb_ckt
20th March 2019
4:11 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Pls solve it.
Asked by prodyumna02
20th March 2019
4:15 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
sulphur burns in oxygen to give sulphur dioxide. if 16 g of sulphur dioxide burns in x cc. of oxygen, calculate the amount of potassium nitrate which must be heated to produce x cc of oxygen.
Asked by drashtichauhan75
21st March 2019
7:35 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
The mass of an atom of lead on=202
Asked by Shrinivasdangi07
21st March 2019
10:34 PM
Answered by Expert
CBSE XII Science Chemistry Solutions
1.00 g of a non-electrolyte solute dissolved in 50 g of benzene lowered the freezing point of benzene by 0.40K. The freezing point depression constant of benzene is 5.12 K kg/mol. Find the molar mass of the solute
Asked by rockdeva663
17th April 2019
9:58 AM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
an ecess of AgNO3 is added to 100 ml of a 0.01 M solution of dichlorotetraaquachromium (III) chloride. the number of mole of AgCl precipited would be
Asked by nitinkawadkar
26th April 2019
7:15 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A sample of clay contains 50% silica,10%water.The sample is partially dried by which it loses 8gm water.If the % of silica in the partially dried clay is 52.What is the percentage of water in the partially dried clay.
Asked by mdshahidperwaiz786
28th April 2019
11:40 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve it.
Asked by pb_ckt
1st May 2019
12:07 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve it.
Asked by pb_ckt
1st May 2019
10:43 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
1.Find the ratio of the number of atoms present in 16g of O2 and 32g of O3. 2.Find the charge of 48g of Mg2+ ions in coulombs.
Asked by pb_ckt
16th May 2019
2:40 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve it.
Asked by pb_ckt
16th May 2019
3:45 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the amount co2 that could be produced when one mole of carbon is burnt in 16g of dioxygen
Asked by ramamalli559
18th May 2019
6:29 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
50.0kg of N2[g] and 10.0 kg of H2 [g] are mixed to produce NH3[g] formed.Identify the limiting reagent in production of NH3 in this situaton
Asked by virubloda6
21st May 2019
8:39 AM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
342g of 20% by mass of b a Ba(OH)2 solution (sp. gr.=0.57) is reacted with 1200 mL of 2M HNO3. If the final density of solution is same as pure water then molarity of the iron in resulting solution which decides the nature of the above solution is— (1)0.25M,(2)0.5M,(3)0.888M,(4)none of these.
Asked by patra04011965
24th May 2019
8:52 AM
Answered by Expert
CBSE XII Science Chemistry Solutions
At what partial pressure oxygen will have a solubility of 0.06 gram per litre in water at 293 Kelvin Henry's law constant of oxygen in water at 303 kelvin is 46.82 k bar assume the density of the solution to the same as that of water
Asked by pandeyn1604
29th May 2019
9:16 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the no.of sulphate ions in 100ml of 0.001M H2SO4 soln.
Asked by pb_ckt
29th May 2019
11:36 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Equal masses of oxygen,hydrogen and methane are taken in a container in identical condition.Find the ratio of volumes of the gases.
Asked by pb_ckt
29th May 2019
11:40 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the mass of one mole of calcium in grams
Asked by sureshkumar kumar
11th June 2019
7:47 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
Number of atoms in 1ml of ammonia gas at STP is??
Asked by Anjalimanoj207
19th June 2019
12:35 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
What is the mass of calcium carbonate precipitated when calcium chloride solution is added to a solution containing 21.2g of sodium carbonate? RMM of sodium carbonate = 106 RMM of calcium carbonate = 100
Asked by ben_kpg
20th June 2019
4:12 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Calculate the number of ions and total charge in 3 gram CO3^2-
Asked by Anjalimanoj207
20th June 2019
7:43 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
The decomposition of a certain mass of CaCO3 gave 11.2 dm3 of CO2 gas at STP . The mass of KOH required to completely neutralise the gas is a) 56g b) 28g c) 42g d)20g
Asked by Balbir
21st June 2019
9:57 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Questions on mole concept
Asked by iamdeepak700
27th June 2019
4:28 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
mole concept
Asked by pradeepthakur8969
28th June 2019
1:27 PM
Answered by Expert
JEE Main Chemistry Some Basic Concepts in Chemistry
Plz answer
Asked by sildasholly2002
29th June 2019
7:59 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
No. of moles in 32g of sulphur molecule.
Asked by manishasinha91703
3rd July 2019
9:54 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
Hi
Asked by rayalalokesh2
8th July 2019
6:50 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A compoundmade up of two elements A and B has A=70%,B=30 Their relative number of moles in compound is 1.25 and 1.88, calculate: [ i ] Atomic masses of the elements A and B [ ii ] Molecular formula of the compond,if its molecular mass is found to be 160.
Asked by aniljhalic95136
9th July 2019
1:57 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
I have not understood how to solve mole concept sum. Plzzz help me by giving easy tricks or method
Asked by pandeypoonam098
11th July 2019
5:33 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
How would you make up 425ml of 0.15M HNO3 from nitric acid that is 68% HNO3 ? The density of 68% HNO3 is 1.41g/ml.
Asked by kumar19raj98
25th July 2019
10:41 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculator the amount of water produced by the combustion of 16g of hydrogen
Asked by ranjitadas5013
30th July 2019
3:53 PM
Answered by Expert
JEE Main Chemistry Some Basic Concepts in Chemistry
Sir plz solve it step by step,plzz
Asked by vishakhachandan026
30th July 2019
6:28 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
solve this
Asked by cikugogoi1999
31st July 2019
12:37 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Air contains 20% oxygen by volume how much volume of air will be required for combustion of 100 cc acetylene Why we use at last as 100/20*250
Asked by gchoudhary2697
4th August 2019
9:55 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
8 gram NaOH ne pani ma ogali 250 mili dravan banavama avyu che.aa dravan ne 500 mili banavva pani umeri mand karvama ave che.aa mand dravan ma NaOH na mol ane molarity ketly hase?
Asked by nirdeshpatel2603
7th August 2019
1:35 AM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
1 g mixture of CaCO3 and NaCl reacts completely with 100 ml of N/10 HCl. The % of CaCO3 in the mixture is-(1) 40%, (2)60%, (3) 50%, (4) 80%. Also mention which is to be taken as Solute, HCl or CaCO3??
Asked by patra04011965
7th August 2019
8:57 PM
Answered by Expert
JEE Main Chemistry States of Matter
Sir plz solve it step by step ,U may leave part (b) but plz solve explaining part(a)
Asked by vishakhachandan026
8th August 2019
10:21 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the mass of potassium chlorate required to liberate 6.72dmcube of oxygen at step.Molar mass of potassium chlorate is 122.5g mol inverse Ans.24.5g
Asked by aniketbele4084
10th August 2019
12:00 AM
Answered by Expert
JEE Main Chemistry Some Basic Concepts in Chemistry
Find molality of pure water.
Asked by surajkumar30769
12th August 2019
12:35 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Volume occupied by 10 molecules of water vapour at STP is
Asked by arushidabhade
13th August 2019
1:03 PM
Answered by Expert
CBSE XII Science Chemistry Electrochemistry
Plz answer 3.14
Asked by lovemaan5500
13th August 2019
5:47 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
How to calculate total no. Of moles of Atom
Asked by Sj1234
18th August 2019
12:22 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
unit of one mole
Asked by vinaydada.b.914
22nd August 2019
1:52 PM
Answered by Expert
CBSE XII Science Chemistry Solutions
concentrated nitric acid used in the laboratory work is 68% nitric acid by mass in aqua solution what should be the molarity of such example of the acid if the density of the solution is 1.504 grams mL^-1
Asked by amzad739635
23rd August 2019
10:10 PM
Answered by Expert
JEE Main Chemistry Some Basic Concepts in Chemistry
What will be the molality of the solution containing 18.25 g of HCl gas in 500 g of water?
Asked by sayeed205
26th August 2019
7:49 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
Provide me all formulae related to ♦ MOLE CONCEPT♦.
Asked by abhishekverma0300
27th August 2019
12:41 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
Calculate the number of molecules in 1 kg of Calcium Chloride.
Asked by aashimegh
28th August 2019
5:25 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
An analysis of aluminum sulfate revealed that its copper contained 0.0774 mole sulfate ions. So find the aluminum moles present in this sample.
Asked by nisarg4248
29th August 2019
10:19 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
How many gram of concentrate nitric acid solution should be used to prepare 250 ml of 2.0 M HNO3.The concerned acid is 70% HNO3.
Asked by roybishnu
31st August 2019
1:06 PM
Answered by Expert
NEET NEET Chemistry Solutions
Please solve
Asked by brijk456
3rd September 2019
12:06 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
What volume of oxygen at STP is required to affect the combustion of 11 litres of ethylene [C2H4] at 273o C and 380 mm of Hg pressure? C2H4+3O22CO2 + 2H2O
Asked by aashimegh
4th September 2019
8:37 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
If 1 g of contains x atoms, what will be the number of atoms in 1 g of magnesium? (C=12 u, Mg= 24 u)
Asked by gspublicschool
22nd October 2019
10:00 AM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
please answer this
Asked by Prashant DIGHE
16th February 2020
10:09 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
The hydrated salt na2so4 nh20 under goes 55% loss in weight on heating and become anhydrous.the value of small n? will
Asked by sireeshabandaru88
11th April 2020
12:24 PM
Answered by Expert
JEE Main Chemistry
how many moles of pbcl2 formed
Asked by ashutosharnold1998
14th April 2020
12:01 PM
Answered by Expert
NEET NEET Chemistry
Which has maximum number of molecules? 1) 7 gmN2 2) 2 gmH2 3) 16 gmNO2 4) 16 gmO2
Asked by Amrithahr4
20th April 2020
2:51 PM
Answered by Expert
CBSE XII Science Chemistry Solutions
find out mole fraction of methanol in 5.2 m solution of methanol
Asked by ranjanasvadvekar
3rd June 2020
12:43 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
what is meant by molar mass
Asked by vaishnaviderle26
27th November 2021
6:59 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
Which of the following statement is correct? A) 28g of CO contains 12g of carbon and 16g oxygen B)one mole of CO reacts completely with half mole of O2 C)N2 and CO have same molar mass D) all of these
Asked by vrishti.8416
24th February 2022
3:30 PM
Answered by Expert
CBSE XII Science Chemistry Solutions
what is mole ? just trying this app
Asked by ayazanwarneet
3rd January 2023
10:58 PM
Answered by Expert
CBSE XI Science Chemistry
what weight of CO2 will produce when 31g of H2CO3 is burn?
Asked by ormotivemyaim
12th January 2023
12:00 PM
Answered by Expert
NEET NEET Chemistry
the total no. of neutrons present in 8 g of methane is
Asked by runitysingh22
28th January 2024
1:50 PM
Answered by Expert
