daracates01 daracates01

25-01-2016
Chemistry

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A flask with a volume of 250.0 mL contains air with a density of 1.240 g/L. What is the mass of the air contained in the flask?

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Willchemistry Willchemistry

25-01-2016

convert 250.0 mL in Liters :

250. 0 / 1000 = 0,25 L

Density = 1.240 g/L

Mass = g ?

m = D * V

m = 0.25 * 1.240

m = 0.31 g

hope this helps!.

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