The density of magnesium is 1.7 g/cm³, and the density of iron is 7.9 g/cm³. Consider a block of iron with a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron?

Question

Quizplus · Accepted Answer

The volume of the iron block is 819 g / 7.9 g/cm³ = 103.67 cm³. The mass of magnesium with the same volume is 103.67 cm³ x 1.7 g/cm³ = 176.24 g, which rounds to 1.8 x 10² g.

The Density of Magnesium Is 1