If the density of nitrogen gas at a certain pressure and temperature is 1.20 g/l, how many moles of nitrogen gas are in 15.0 l

Question

Chemistry

Maddison Howe

27 June, 01:16

If the density of nitrogen gas at a certain pressure and temperature is 1.20 g/l, how many moles of nitrogen gas are in 15.0 l

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Odonnell · Answer 1

Density of nitrogen = 1.20 g/l

no. of grams of nitrogen=m = (1.20g/l) (15.0l) = 18 g

molar mass of nitrogen=M = (14*2) = 28 g/mol

no. of moles of nitrogen=m/M=18/28 = 0.643 moles