Density Exercise 1

1. A student needs 5.85 g of liquid ethanol for an experiment. Ethanol has a density of 0.789 g/mL. What volume, in mL, will the student measure?

ANSWER: 7.41 mL

Worked Out Solution:

We are given the mass, in g, of the ethanol and the density. We know that d = m/V. Solving for volume, we have V = m/d.

\(\displaystyle V\;=\;\frac{5.85\;g}{0.789\;g/mL}\;=\;\mathbf{7.41\;mL}\)

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