Question

Hydrogen and oxygen combine in the ratio of 1:8 mass to form water what mass of oxygen gas would be required to react completely with 3 g of hydrogen gas

Answer 1

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Answer 2

Answer:

• It is given that the ratio of hydrogen and oxygen by mass to form water is 1:8.
• Then, the mass of oxygen gas required to react completely with 1 g of hydrogen gas is 8 g.
• Therefore, the mass of oxygen gas required to react completely with 3 g of hydrogen gas is 8 × 3 g = 24 g.