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11 November, 07:47

What is the mole fraction of O2O2 in a mixture of 15.1 gg of O2O2, 8.19 gg of N2N2, and 2.46 gg of H2H2

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  1. 11 November, 08:12
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    Mole fraction O₂ = 0.43

    Explanation:

    Mole fraction is the moles of gas / total moles.

    Let's determine the moles of each:

    Moles O₂ → 15.1 g / 16 g/mol = 0.94

    Moles N₂ → 8.19 g / 14 g/mol = 0.013

    Moles H₂ → 2.46 / 2 g/mol = 1.23

    Total moles = 2.183

    Mole fraction O₂ = 0.94 / 2.183 → 0.43
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