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18 December, 00:20

How many moles of water can be obtained from the reaction of 4 moles of O2?

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  1. 18 December, 00:45
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    Answer: 8moles

    Explanation:

    The reaction below shows the formation of 2 moles of water from 2 moles of hydrogen and 1 mole of oxygen respectively.

    2H2 (g) + O2 (g) - -> 2H2O (l)

    So, if 1 mole of O2 produce 2 mole of H2O

    4 moles of O2 will produce Z mole of H2O

    To get the value of Z, cross multiply

    1 x Z = 4 x 2

    Z = 8

    So, the equation will be 8H2 (g) + 4O2 (g) - -> 8H2O (l)

    Thus, 4 moles of O2 will produce 8moles of H2O.
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