You have a 22 g sample of ethanol with a density of 0.7893 g/mL. What volume of ethanol do you have?

Answer 1

Mass = volume x density
Substitute and solve for volume.

Answer 2

27.872799

Answer 3

To two significant figures (allowed by the number 22) that is 28 cc.

Answer 4

Convert 34.5 in2 to cm2. Report the answer to the correct number of significant figures. (1 inch = 2.54 cm is an exact or defined conversion.)