1.
How many atoms in 2 moles of O₂?
2.
Which is NOT a mole unit?
3.
Number of molecules in 18 g water?
4.
Rate of diffusion formula?
5.
Avogadro number represents number of?
6.
Mass of 0.5 mole of N₂? (M=28 g/mol)
7.
Moles in 36 g of H₂O? (M=18 g/mol)
8.
Atomic mass is taken relative to which atom?
9.
How many atoms are in 1 molecule of H₂SO₄?
10.
How many atoms in 1 mole of H₂O?
12.
Moles in 4 g H₂? (M=2 g/mol)
13.
Molar mass of CO₂? (C=12, O=16)
14.
Who introduced Atomic Mass Unit (amu)?
15.
Volume of 0.5 mole gas at STP?
16.
2 moles of CO₂ weigh?
17.
How many molecules are in 2 moles of oxygen gas?
18.
Molecular mass from VD?
19.
Mole represents how many particles?
20.
Avogadro number applies to?
21.
Mass of 1 mole of substance?
22.
Mass of one C-12 atom?
23.
STP conditions include?
24.
Fastest diffusing gas?
25.
Volume of 1 mole gas at STP?
26.
Molecular mass indicates?
29.
1 mole of water weighs?
30.
Vapour density of gas with mol. mass 60?
31.
Molar mass formula using VD?
32.
Mass of 5 moles of CO₂? (M=44 g/mol)
33.
Mole concept relates mass to?
34.
Vapour density relates to?
35.
Relation between VD & density of gas?
37.
3 moles of H₂O molecules count?
38.
Molecular mass unit equals?
39.
Graham’s Law relates rate of diffusion to?
41.
1 mole of N₂ gas at STP occupies?
42.
Molecular mass of a gas is 98. VD is?
43.
If VD = 22, molecular mass is?
44.
Avogadro’s number of argon atoms weigh?
45.
Average atomic mass depends on?
