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1 February, 15:50

What is the percent composition by mass of nitrogen in the compound n2h4

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  1. 1 February, 15:54
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    77.79% nitrogen by mass

    Explanation:

    1 mole of nitrogen: 14.0067 grams

    1 mole of hydrogen: 2 grams

    2 moles of nitrogen + 4 moles of hydrogen

    28.0134g + 8g = 36.0134g total weight

    28.0134 / 36.0134 = 77.79%
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