Question Detail
Question
A metal cylinder has a mass of 55.85 g and a volume of 7.2 mL. What is its density?
Correct Answer
Option A is the correct answer.
Detailed Explanation
Density = mass/volume = 55.85 g / 7.2 mL = 7.7569 g/mL. With 2 significant figures, it is 7.8 g/mL. This density is consistent with iron.
Hint
Density = mass/volume.