Calculate the mass of nitrogen in 24.0 g N2O5!!!

[From: ] [author: ] [Date: 12-04-05] [Hit: ]

Calculate the mass of nitrogen in 24.0 g N2O5
help :( i have a test tmrw !!

Molar mass N2O5 = 28+80 so there are 28g N in 108g
It follows that 28/108 = x g N2/24g N2O5 or 28/108=x/24
You can do the sum

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