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22 August, 07:06

Water can be formed in the following reaction: 2H2 + O2 - > 2H2O

If you have 7 moles of Hydrogen gas (H2), how many moles of water can you form? (Assume you have excessive amount of oxygen gas)

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  1. 22 August, 07:27
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    7 moles

    Explanation:

    Given dа ta:

    Moles of hydrogen = 7 mol

    Moles of water formed = ?

    Solution:

    Chemical equation:

    2H₂ + O₂ → 2H₂O

    Now we will compare the moles of water with hydrogen from balance chemical equation:

    H₂ : H₂O

    2 : 2

    7 : 7

    So in the presence of excess oxygen and 7 moles of hydrogen seven number of moles of water produced.
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