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27 September, 05:09

How many moles of H2 are produced from 5.8 moles of NH3

2NH3 - > N2 + 3H2

How many moles of O2 are needed to produced 1.8 moles of H2O?

C3H8 + 5O2 - > 3CO2 + 4H2O

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  1. 27 September, 05:24
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    1. 8.7moles of H2

    2. 2.25moles of O2

    Explanation:

    1. 2NH3 - > N2 + 3H2

    From the equation,

    2moles of NH3 produce 3 moles of H2.

    Therefore, 5.8moles of NH3 will produce Xmol of H2 i. e

    Xmol of H2 = (5.8x3) / 2 = 8.7moles

    2. C3H8 + 5O2 - > 3CO2 + 4H2O

    From the equation,

    5moles of O2 produced 4moles of H2O.

    Therefore, Xmol of O2 will produce 1.8mol of H2O i. e

    Xmol of O2 = (5x1.8) / 4 = 2.25moles
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