Question

2H2 +O2 = 2H2O find the vol of oxygen when we have 54g of water
With formule pls​

Answer 1

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.