sample of metal has a mass of 21.49g, and a volume of 6.55 mL. What is the density of this metal?  density:? g/cm^3

What is the mass of (1.000) Litre of gold? The density of gold is 19.3 grams/cm^3

A student is trying to determine some information about a metal sphere. He weighs a piece of metal sphere and it weighs 8.25g. When a student places it into a graduated cylinder containing water, the liquid levels rises from 6.25 mL to 10.47 mL. Part 1: What is the density of the metal sphere? Part 2: what is the radius of the metal sphere in mm?

You are given the length and width of 10.5 in by 8.5 in. Upon weighing, it comes out to be 0.885 g. Given that the density is 1.10g/cm^3. What is the thickness (in cm)?

A copper wire (density = 8.96 g/cm^3) has a diameter of 0.20 mm. If a sample of this copper wire has a mass of 29 g, how long is this wire?

The density of gold is 19.3 g/cm^3.  What is the density of gold in lb/in^3? (1lb = 454 g , 1 in = 2.54 cm)

In 1999, scientists discovered a new class of black holes with masses 100 to 10,000 times the mass of our sun, but occupying less space than our moon. Suppose that one of these black holes has a mass of 1×10^3 suns and a radius equal to one-half the radius of our moon. What is its density in grams per cubic centimeter? The mass of the sun is 2.0×10^30 kg and the radius of the moon is 2.16×10^3 mi (Volume of a sphere =4/3πr^3)