Advertisements
Advertisements
Questions
Define the term.
Molar volume
Define the meaning of term molar volume.
Advertisements
Solution
One mole of any gaseous molecules occupies 22.4 dm3 (litre) or 22400 cm3 (ml) at standard temperature and pressure (STP). This volume is known as the molar volume.
RELATED QUESTIONS
Convert into mole.
12 g of oxygen gas
How many atoms are there in 0.25 mole of hydrogen ?
What is meant by ‘a mole of carbon atoms’ ?
Prove the Following :
One mole of any gas contains th e same number of molecules.
Consider the following reaction and based on the reaction answer the questions that follow :
\[\ce{(NH4)2Cr2O7 ->[heat] N2(g) + 4H2O(g) + Cr2O3}\]
Calculate :
(i) The quantity in moles of (NH4)2Cr2O7 if 63 gm of (NH4)2Cr2O7 is heated.
(ii) The quantity in moles of nitrogen formed.
(iii) The volume in litres or dm3 of N2evolved at STP.
(iv) The mass in grams of Cr2O3 formed at the same time
[Atomic masses : H = 1, Cr=52, N=14]
Define or explain the term:
Relative atomic mass
Find the number of molecules in 1.8 g of H2O.
Calculate the mass of 0.1 mole of the following:
CaCl2
(Ca = 40, Na=23, Mg =24, S=32, C = 12, Cl = 35.5, O=16, H=1)
How many grams are there in the following?
2 moles of the hydrogen molecule, H2.
Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight.
- Whose container is heavier?
- Whose container has more number of atoms?
