Answers:
1. 6.022 × 10²³
2. 1.20 × 10²⁴
3. Both contains same number of O atoms
4. 1 mole of ammonium sulfate = 4.82 × 10²⁴
1 mole of ammonium nitrate = 2.41 × 10²⁴
5. 6.022 × 10²⁴
6. i) 116.88 g
ii) 0.451 mole
iii) 124.84 g
iv) 0.039 mol
v) 0.0704 mol
vi) 77.55 g
