Class 11 NEET Chemistry Some Basic Concepts Of Chemistry

H2‌‌+‌‌

1

2

O2––––––––>H2O
2g   16g      18 g
1 mol 0.5 mol    1 mol
10 g of H2−5 mol and 64 g of O2=2mol
∴ In this reaction,oxygen is the limitig reagent so amount of H2O produced depends on that of O2
Since 0.5 mol of O2 gives 1 mol H2O
∴ 2 mol of O2 will give 4 mol H2O