CBSE IX Chemistry Atoms and Molecules
What is mole concept
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22nd February 2018
4:05 PM
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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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ICSE X Chemistry Mole Concept and Stoichiometry
Solve the numerical
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17th March 2018
5:10 PM
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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?
Asked by vasturushi
29th March 2018
8:30 PM
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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
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
The vapour density of a gas at 25 degree centigrade is 25.What will be its Vapour density at 50 degree centigrade?Explain. Differenciate b/w 1 gram oxygen and 1 gram-atom oxygen.
Asked by tps.mjmdr
20th June 2018
10:06 PM
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NEET1 NEET1 Physics
When x molecules are removed from 200mg of n2o , 2,89*10 moles are Left x will be
Asked by sanjaygoliyan
13th July 2018
11:28 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the approximate number of atoms present in 4.25 of NH³
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5th August 2018
1:05 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Number of neutron present in 12x10 ^ 23 atoms of oxygen containing 17 grams of molecular weight: (Given NA = 6x10 ^ 23)
Asked by shubham202222
5th August 2018
7:40 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
CALCULATE NO.OF ATOMS OF EACH TYPE IN 1.8g glocose
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17th August 2018
10:03 PM
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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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ICSE X Chemistry Mole Concept and Stoichiometry
What is mole concept
Asked by aryang9020
18th January 2019
8:28 AM
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CBSE XI Science Chemistry States of Matter
5.18 sum plz
Asked by lovemaan5500
26th January 2019
12:53 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
5.17 sum plz
Asked by lovemaan5500
26th January 2019
12:55 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
What is Mole Concept
Asked by kpillai761
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
Asked by mishraadarsh865
6th March 2019
1:31 PM
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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
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CBSE XI Science Chemistry
5 L of an alkane requires 25 L of oxygen for its complete combustion . If all volumes as measured at constant temperature an dpressure , the alkane is? A-Butane B-Isobutane C-Propane D-Ethane
Asked by Apoorva
27th April 2019
5:20 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 XI Science Chemistry Some Basic Concepts of Chemistry
Total number of valence electrons in 3.36 grams of N3 ion is
Asked by arushidabhade
24th May 2019
10:08 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
The mass of 1.5055 ×10^ 23 Co molecules is is
Asked by arushidabhade
24th May 2019
10:09 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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JEE Main Chemistry Some Basic Concepts in Chemistry
Plz answer
Asked by sildasholly2002
29th June 2019
7:59 PM
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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
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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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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 IX Chemistry Atoms and Molecules
Number of moles in 2kg electrons ?
Asked by Virenpareek3
23rd November 2019
4:13 PM
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CBSE XI Science Chemistry Atoms and Molecules
calculate number of moles present in 64g of oxygen
Asked by katariayash1212
28th January 2020
8:25 PM
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CBSE IX Chemistry Atoms and Molecules
What is the unit of mole?
Asked by Minajoshi62
2nd February 2020
9:01 PM
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CBSE XII Science Physics
find the number of electrons present in an 8g gold pin. given - molar mass of gold = 197g/mol , electrons per atom in gold = 79 and avogadro's number = 6.023*10 23 g-1 mol-1.
Asked by malhanmuskan2003
24th June 2020
2:12 PM
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CBSE XI Science Chemistry
calculate the number of atoms in 52 moles of aragon
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4th August 2020
9:38 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is mole
Asked by ebinoji
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 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
Definatio of mole
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29th May 2021
5:57 PM
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ICSE IX Science
0.1 mole of hydrogen
Asked by najeedahamed87
7th December 2021
10:17 PM
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CBSE IX Chemistry Atoms and Molecules
how many moles in an atom
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14th March 2022
7:44 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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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
mole
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3rd July 2022
1:23 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is the basic difference between a mole and molar?
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1st July 2023
12:25 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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JEE Main Chemistry Some Basic Concepts in Chemistry
what is mole ?
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30th January 2024
2:36 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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