Given the density of iron (Fe) is 7.87 g/cm3, determine the mass of iron (in grams) in a rectangle block with the dimensions of 12.5 in long, 3.50 in wide, and 2.50 in high. (1in = 2.54 cm).

Explanation:

Hello,

In this case, the first step is to compute the volume of the block considering the length, height and width:

Then, we compute the volume in cubic centimetres:

Finally, as the density is given by:

We solve for the mass:

Best regards.