For 2H2 + O2 → 2H2O: 4 moles of H2 will react with moles of O2 to produce moles of H2O

Question

Cara Ferguson

Chemistry

15 December, 07:51

For 2H2 + O2 → 2H2O: 4 moles of H2 will react with moles of O2 to produce moles of H2O

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Answers (2)

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Byron Berger · Answer 1

4 moles of h2 will react with 2 moles of o2 to produce 2 moles of h20

Sidney Hickman · Answer 2

The ratio is 2:1. You need two moles of hydrogen for every mol of O2. The proportion would be written as

2:1::4:x

2/1 = 4/x Cross multiply

2x = 4 Divide by 2

x = 4/2

x = 2

You would need 2 moles of O2 to react with 4 mols of H2