alejandrag2013 alejandrag2013
  • 08-09-2020
  • Chemistry
contestada

A flask with a volume of 125.0 mL contains air with a density of 1.122 g/L. What is the mass of the air contained in the flask?

Respuesta :

Stephen46
Stephen46 Stephen46
  • 09-09-2020

Answer:

The answer is

0.14 g

Explanation:

To find the mass of a substance given the density and volume we use the formula

mass = Density × volume

From the question

Density = 1.122 g/L

volume = 125 mL

We must convert the volume from mL to L

1000 mL = 1 L

125 mL = 0.125 L

volume = 0.125 L

Substitute the values into the above formula and solve for the mass

That's

mass = 1.122 × 0.125 = 0.14025

We have the final answer as

0.14 g

Hope this helps you

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