| (i) 88 g of CO2 | (a) 0.25 mol |
| (ii) 6.022 ×1023 molecules of H2O | (b) 2 mol |
| (iii) 5.6 litres of O2 at STP | (c) 1 mol |
| (iv) 96 g of O2 | (d) 6.022 × 1023 molecules |
| (v) 1 mol of any gas | (e) 3 mol |
| Column 1 | Column 2 |
| (i) 88 g of CO2 | (b) 2 mol |
| (ii) 6.022 ×1023 molecules of H2O | (c) 1 mol |
| (iii) 5.6 litres of O2 at STP | (a) 0.25 mol |
| (iv) 96 g of O2 | (e) 3 mol |
| (v) 1 mol of any gas | (d) 6.022 × 1023 molecules |