2.
Vapour density of gas with mol. mass 60?
3.
Relation between VD & density of gas?
4.
Molecular mass from VD?
6.
Number of molecules in 18 g water?
7.
Volume of 0.5 mole gas at STP?
8.
Who introduced Atomic Mass Unit (amu)?
9.
Molar mass of CO₂? (C=12, O=16)
10.
1 mole of N₂ gas at STP occupies?
11.
2 moles of CO₂ weigh?
12.
Avogadro number represents number of?
13.
How many atoms in 1 mole of H₂O?
14.
Average atomic mass depends on?
15.
Atomic mass is taken relative to which atom?
16.
Moles in 4 g H₂? (M=2 g/mol)
17.
How many molecules are in 2 moles of oxygen gas?
18.
How many atoms are in 1 molecule of H₂SO₄?
19.
Avogadro’s number of argon atoms weigh?
20.
If VD = 22, molecular mass is?
21.
Which is NOT a mole unit?
22.
STP conditions include?
23.
3 moles of H₂O molecules count?
24.
How many atoms in 2 moles of O₂?
25.
1 mole of water weighs?
26.
Mass of one C-12 atom?
27.
Mass of 5 moles of CO₂? (M=44 g/mol)
28.
Mass of 1 mole of substance?
29.
Molecular mass indicates?
30.
Molecular mass unit equals?
32.
Mole concept relates mass to?
33.
Mass of 0.5 mole of N₂? (M=28 g/mol)
34.
Vapour density relates to?
35.
Molecular mass of a gas is 98. VD is?
36.
Moles in 36 g of H₂O? (M=18 g/mol)
37.
Graham’s Law relates rate of diffusion to?
38.
Rate of diffusion formula?
39.
Avogadro number applies to?
40.
Molar mass formula using VD?
43.
Fastest diffusing gas?
44.
Mole represents how many particles?
45.
Volume of 1 mole gas at STP?
