Question: The quantity called mass density is the mass per unit volume of a substance. Express the following mass densities in SI units. a. Aluminum, 2.7

The quantity called mass density is the mass per unit volume of a substance. Express the following mass densities in SI units.

a. Aluminum, 2.7 × 10-3 kg/cm3

b. Alcohol, 0.81 g/cm3

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