262 g of O₂
First we will find out that either the given amount of Hydrogen gas can produce 295 g of H₂O or not. Therefore, the Balanced Chemical Equation is as,
2 H₂ + O₂ → 2 H₂O
According to equation,
4.04 g (2 mol) H₂ forms = 36.04 g (2 mol) H₂O
So,
33.1 g H₂ will produce = X g of H₂O
Solving for X,
X = (33.1 g × 36.04 g) ÷ 4.04 g
X = 295 g of H₂O
Hence it is proved that given mass of H₂ can produce 295 g of H₂O.
The amount of oxygen reacted is calculated as,
According to equation,
4.04 g (2 mol) H₂ reacts with = 32 g (1 mol) O₂
So,
33.1 g H₂ will react with = X g of O₂
Solving for X,
X = (33.1 g × 32 g) ÷ 4.04 g
X = 262 g of O₂
