Question

2H2 + O2 = 2H2O
How many moles of oxygen gas are needed to react with 0.280 moles of hydrogen gas?

Answer 1

Hiii MATe ☺☺

ANSWER

2H

2

+O

2

→2H

2

O

Molecular mass of H

2

=2 g/mol

Molecular mass of O

2

=32 g/mol

From the balanced chemical equation,

2×2=4 g of hydrogen requires 32 g of Oxygen to react completely