Question

What is the mass of h2o produced when 10.0 grams of h2 reacts completely with 80.0 grams of o2

Answer 1

Answer:180g of h20

Explanation:

Because 10.0g of h20 and 80.0 of oxygen will yield 2 mols of h20 so the mass of h20 will be 2*(10.0+80.0)