CBSE IX Chemistry Atoms and Molecules
what is mole concept? how do we use it
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27th February 2008
2:09 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
Sir plzzz send me link for mole concept video lessons.
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1st March 2018
11:57 AM
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ICSE X Chemistry Mole Concept and Stoichiometry
How to know the number of moles of an element in the periodic table?
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12th March 2018
7:38 PM
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CBSE IX Chemistry Atoms and Molecules
Define mole concept [5 marks]
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15th March 2018
6:44 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
The number of moles of KCLO3 that will be required to give 6 moles of Oxygen?
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17th March 2018
1:36 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
Solve the numerical
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17th March 2018
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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
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
10g of hydrpogen and 64g of oxygen were filled in a steel vessel and exploded.amount of water produced in this reaction willbe?
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29th March 2018
8:30 PM
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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
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26th April 2018
8:21 AM
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NEET1 NEET1 Chemistry
When x molecules are removed from 200mg of N2O 2.89×10-3 moles of N2O are left. Then x will be?
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10th June 2018
11:16 AM
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CBSE IX Chemistry Atoms and Molecules
what is mole concept?
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24th September 2018
5:20 PM
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JEE Main Chemistry Some Basic Concepts in Chemistry
Q)A long rectangular box is filled with Cl2 (atomic mass=35.45) which is known to contain only Cl35 and Cl37. If the box can be divided into a partition and the two types of chlorine molecule are put into two compartments respectively. Calculate where should partition to be made if pressure on both sides is to be same? The ratio of pressure to original pressure is 1/x. So, the value of x is?
Asked by Anish
8th January 2019
11:32 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
What is mole concept
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18th January 2019
8:28 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
How many molecules of con are present in its molar mass?
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27th January 2019
11:41 AM
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ICSE X Chemistry Mole Concept and Stoichiometry
What is Mole Concept
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11th February 2019
1:31 PM
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CBSE IX Chemistry Atoms and Molecules
What is mole
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19th February 2019
1:49 PM
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CBSE IX Chemistry Atoms and Molecules
What is mole
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19th February 2019
9:25 PM
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CBSE IX Chemistry Atoms and Molecules
Mole concept
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6th March 2019
1:31 PM
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CBSE XI Science Chemistry Some Basic Concepts in Chemistry
Find the ratioof molar amount of H2S needed to precipitise metal ions from 20ml each of 1M Cd(NO3)2 and 0.5M CuSO4
Asked by Sridhar
16th May 2019
12:05 PM
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CBSE XII Science Chemistry Surface Chemistry
Pls solv follin
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22nd May 2019
8:10 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Total number of valence electrons in 3.36 grams of N3 ion is
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24th May 2019
10:08 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
From the given compounds which has maximum number of molecules?? (a) 0.1 molar ammonia, (b) 1 gram hydrogen, (c) 40 gram CaCO3, (d) 6.023×10^20 molecules
Asked by patra04011965
27th May 2019
8:07 AM
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CBSE XI Science Chemistry Some Basic Concepts in Chemistry
how many gram in 99% pure 4.94 mole calcium nitrate tetrahydrate Ca(NO3)2.4H2O
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4th June 2019
1:00 PM
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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
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CBSE IX Chemistry Atoms and Molecules
unit of one mole
Asked by vinaydada.b.914
22nd August 2019
1:52 PM
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CBSE IX Chemistry Atoms and Molecules
Provide me all formulae related to ♦ MOLE CONCEPT♦.
Asked by abhishekverma0300
27th August 2019
12:41 AM
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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
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CBSE XI Science Chemistry Mole Concept and Stoichiometry
Calculate the number of moles of 
which contain 8.00 grams of 
.
which contain 8.00 grams of .
Asked by aashimegh
28th August 2019
5:28 PM
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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
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
3.2 g of Sulphur DIoxide present in the flask. Calculate the moles of Sulphur DIoxide present in the flask
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4th October 2019
1:22 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
question of chemistry in image attached below.
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9th November 2019
4:01 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the total number of electrons and protons present in 4.8 g of ch4
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17th December 2019
1:47 AM
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JEE Main Chemistry
how many moles of pbcl2 formed
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14th April 2020
12:01 PM
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CBSE IX Chemistry Atoms and Molecules
Calculate the mass in grams for the following: A)0.5 mol of calcium sulphate (caSo4). B) 0.25 mol of carbon dioxide gas (co2) { cu=40,s=32,o=16,c=12}.
Asked by saraswatiupadhaya111
26th August 2020
8:54 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is weight in 1 mole
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1st October 2020
8:48 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
Find weight of one molecule of CO2
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21st October 2020
7:42 PM
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CBSE IX Science Matter in Our Surroundings
please explain this
Asked by ajaydasbelarahi44
27th October 2020
9:34 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is mole
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20th December 2020
6:28 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
1) Calculate the number of Cl2 molecules and Cl atoms in 0.25 mol of Cl2 gas. 2) Molar mass of O is 16 g mol-1. What is the mass of one atom and one molecule of Oxygen?
Asked by seeni2005
19th February 2021
12:52 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
When lead sulphide, PbS and lead oxide, PbO, are heated together the products are lead metal and sulphur dioxide, SO2.
PbS(s) + 2PbO(s)
3Pb (l) + SO2 (g).
If 14.0 g of lead oxide reacts according to the above equation, how many (a) moles of lead (b) grams of lead, (c) atoms of lead and (d) grams of sulphur dioxide are formed?
(Atomic mass : Pb = 207.0, S = 32.1 ; O =16.0)
3Pb (l) + SO2 (g).
Asked by seeni2005
24th February 2021
12:34 PM
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CBSE IX Science Is Matter Around Us Pure?
Please answer ASAP
Asked by harjot.arshleen
11th March 2021
7:55 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
What will be volume of 18 g H2O at S.T.P?
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14th May 2021
11:44 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Number of moles in 12amu of carbon are
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16th May 2021
8:43 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Definatio of mole
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29th May 2021
5:57 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
⭕ Answer in detail, Thanks😊
Asked by jhajuhi19
25th July 2021
5:03 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
hiw many atoms of carbon are present in 7.8g of beneze
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21st September 2021
10:26 AM
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JEE Main Chemistry Some Basic Concepts in Chemistry
How to calculate no of moles given mass of the molecule
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6th December 2021
7:45 AM
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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
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NEET NEET Physics Physics and Measurement
What is Mol
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30th May 2022
9:01 PM
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NEET NEET Chemistry Some Basic Concepts in Chemistry
volume of 0.22g of CO2 at NTP is same as that of
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21st December 2023
10:31 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is mole
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11th April 2024
9:02 AM
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