## Question 7 what is the volume of 28.0 g of nitrogen gas at stp? 44.8 l 33.6 l 11.2 l 22.4 l none of the above

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## Answers ( 1 )

At STP, 1 mol of gas corresponds to 22.4 L. The molar mass of nitrogen is 14.0g so the molar mass of nitrogen gas (N2) is 28.0g. The moles of nitrogen in this sample of nitrogen gas is

28.0 g / (1 mol / 28.0 g) = 1.00 mol

If we convert to liters, we get

(1.00 mol)(22.4 L / 1mol) = 22.4 L

Therefore, your answer is 22.4 L.