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26 July, 12:40

What is the percent composition of nitrogen in Ca (NO3) 2?

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  1. 26 July, 14:49
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    Nitrogen in this compound has 2 atoms. 2 multiplied by its mass, 14.007, equals 28.014. Divide 28.014 by the molar mass of calcium nitrate: 28.014/164 = 0.17081. Multiply this by 100 to achieve its percentage: 0.17081 x 100 = 17.08%
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