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arlik [135]
3 years ago
7

How many moles of H2O moles of H2O are needed to produce 55.7 moles of H2?

Chemistry
1 answer:
Fofino [41]3 years ago
6 0

<u>Answer:</u> 55.7 moles of H_2O are needed to produce the given amount of H_2

<u>Explanation:</u>

The number of moles is defined as the ratio of the mass of a substance to its molar mass.

The equation used is:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}} ......(1)

Given values:

Moles of H_2 = 55.7 moles

The chemical equation for the decomposition of water follows:

2H_2O\rightarrow 2H_2+O_2

By the stoichiometry of the reaction:

If 2 moles of hydrogen gas is produced from 2 moles of water

So, 55.7 moles of hydrogen gas will be produced by = \frac{2}{2}\times 55.7=55.7mol of water

Hence, 55.7 moles of H_2O are needed to produce the given amount of H_2

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