1.
Molecular mass indicates?
2.
Mole represents how many particles?
3.
Moles in 4 g H₂? (M=2 g/mol)
4.
Atomic mass is taken relative to which atom?
5.
Avogadro’s number of argon atoms weigh?
7.
Number of molecules in 18 g water?
8.
Molecular mass unit equals?
9.
How many atoms in 2 moles of O₂?
10.
Vapour density of gas with mol. mass 60?
11.
2 moles of CO₂ weigh?
12.
Volume of 1 mole gas at STP?
13.
Rate of diffusion formula?
14.
Molar mass formula using VD?
15.
Moles in 36 g of H₂O? (M=18 g/mol)
16.
How many atoms in 1 mole of H₂O?
17.
If VD = 22, molecular mass is?
18.
Molar mass of CO₂? (C=12, O=16)
19.
Mass of 0.5 mole of N₂? (M=28 g/mol)
20.
Graham’s Law relates rate of diffusion to?
21.
Mass of 5 moles of CO₂? (M=44 g/mol)
22.
Molecular mass from VD?
23.
Volume of 0.5 mole gas at STP?
24.
Relation between VD & density of gas?
27.
Avogadro number applies to?
28.
Mole concept relates mass to?
29.
Molecular mass of a gas is 98. VD is?
30.
How many atoms are in 1 molecule of H₂SO₄?
31.
Avogadro number represents number of?
32.
Average atomic mass depends on?
33.
3 moles of H₂O molecules count?
34.
Which is NOT a mole unit?
35.
Mass of one C-12 atom?
37.
1 mole of water weighs?
38.
STP conditions include?
40.
Vapour density relates to?
41.
Mass of 1 mole of substance?
42.
1 mole of N₂ gas at STP occupies?
43.
Fastest diffusing gas?
44.
Who introduced Atomic Mass Unit (amu)?
45.
How many molecules are in 2 moles of oxygen gas?
