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13 September, 18:59

What is the percent of nitrogen (N) by mass is a 55.0g sample of Fe (NO3) 3? The molar mass of Fe (NO3) 3 is 241.86g/mol.

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  1. 13 September, 19:14
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    22.74%

    Explanation:

    The mass of nitrogen is 55g

    The mass of Fe (NO3) 3 is 241.86g/mol

    %of nitrogen = mass of nitrogen/molar mass of Fe (NO3) 3 * 100

    = 55/241.86*100

    =5500/241.86

    =22.74%
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