The atomic mass is measured in "atomic mass units" (amu). One mole of an element weighs the same atomic mass number, but in grams. For example, carbon, C, has an atomic mass of 12.011 amu. One mole of carbon has a mass of 12.011 grams.
A cube has a volume of 8.0 cm3 and a mass of 21.6 grams. ... using an electronic analytical balance. ... graduated cylinder ... The density of iron is 7.87 g/mL.
