An experiment requires 74.2 mL of ethyl alcohol. If the density of ethyl alcohol is 0.790 g/cm³, what is the mass of 74.2 mL of ethyl alcohol? A) 93.9 g B) 10.6 g C) 58.6 g D) g E) none of these

Question

Quizplus · Accepted Answer

We can use the formula: mass = volume x density 
First, we need to convert mL to cm^3 by dividing by 1 mL/1 cm^3:

74.2 mL ÷ 1 mL/1 cm^3 = 74.2 cm^3

Then we can use the given density:

mass = 74.2 cm^3 x 0.790 g/cm^3 = 58.6 g

Therefore, the answer is choice C which is 58.6 g.

An Experiment Requires 74