Question

72kg water k viyojan se mili oxygen ka mass

Answer 1

Explanation:

2 H20 -----------------> 2 H2 + O2

2 ×18 g. 2 ×2g. 32g.

36 gram water given oxygen = 32 gram

1 gram ......................................... = 32/36

{72 kg= 72000 gram }. = 32/36 ×72000

= 64000 gram or say 64 kg.