A cubic piece of metal measures 3.00cmcm on each edge. If the metal is nickel, whose density is 8.90 g/cm3{\rm g/cm}^3, what is the mass of the cube?

Is that 3.00 cmcm a typo and you meant to write 3.00 cm on an edge.

mass = volume x density
volume = (3.00)^3 = 27 cc
density = 8.90 g/cc
Substitute and solve for mass in grams.

sjfkg

To find the mass of the cube, we need to use the formula:

mass = volume × density

First, let's calculate the volume of the cube. The formula for the volume of a cube is:

volume = edge length × edge length × edge length

Given that the edge length of the cube is 3.00 cm, we can substitute this value into the formula:

volume = 3.00 cm × 3.00 cm × 3.00 cm

Calculating the volume:

volume = 27.00 cm^3

Next, we can substitute the density of nickel, which is 8.90 g/cm^3, into the formula:

mass = 27.00 cm^3 × 8.90 g/cm^3

Finally, calculating the mass:

mass = 240.30 g

Therefore, the mass of the nickel cube is 240.30 grams.