Question

A flask with a volume of 125.0 mL contains air with a density of 1.228 g/L. What is the mass of the air contained in the flask?

Answer 1

0.1535g is the mass of the air contained in the flask.

A substance's density is defined as its mass per unit of volume. Density is most frequently represented by the symbol, however Latin letter D may also be used. Mass divided by volume is the formula for density in mathematics: ρ = M/V. where m is the mass, V is the volume, and ρ is the density.

The given are:

1.      Mass = ?

2.     Density = 1.228 g/L

3.      Volume = 125mL to L

Plugging in the values we get,

ρ = M/V

1.228 = M/ 0.125

M = 0.1535g

Therefore, 0.1535g is the mass of the air contained in the flask.

Learn more about mass and density here;

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