Question

Is formula mass measured in atomic mass units (amu)?

Answer 1

It could be.......

Explanation:

....but most of the time we report formula mass in grams... Chemists usually work in gram quantities, and there is a relationship between `"amu"` and `"grams"`; the constant of proportionality is `"Avogadro's number"`....where `6.022xx10^24*"amu"~=1*g`