Is molecular weight the same as molecular mass?

Answer:
Technically... not really.

It would perhaps be more accurate to use the terms formula mass and molecular mass rather than formula weight and molecular weight. This because in physical terms, weight is a force while mass is a measure of the amount of substance in something.

First answer by ID1342597901. Last edit by Crysreal. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 17 [recommend question].