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OpenStudy (anonymous):
convert 5.6 grams of NO2 to grams of N2O4 does anyone know the answer?
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OpenStudy (aaronq):
hm you generally need an equation for the process, but since you're not changing any atoms, the mass stays the same. note \(NO_2\) is 1 N and 2 O's, while \(N_2O_4\) is double the atoms, but the mass cant be more nor less.
OpenStudy (aaronq):
yeah, so the amount of moles is decreasing by half, but the mass is constant.
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