Question

what mass of O² gas would be required to completely react
with 8 g of H² gas to form H²O? show calculation ​

Answer 1

atomic mass of o=16g

so,16g of oxygen gas would be required to completely react

with 8 g of H² gas to form H²O.

$2h {}^{2} + o {}^{2} - > 2h {}^{2} o$