October 8, 2015

Homework Help: chemistry

Posted by tomi on Friday, September 19, 2008 at 4:15pm.

Determine the number of moles of
a) N atoms in 42.5g of Mg(NO3)2
b) N atoms in a sample of C7H5(NO2)3 that has the same number of O atoms as 12.6g C6H12O6

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