Question

express the number of moles in terms of mass​

Answer 1

Answer:

A mole is defined as the mass of the substance which consists of the equal quantity of basic units.

No. of moles= Mass of substance/Mass of one mole

Hope it helps<3

Answer 2

$number \: of \: moles \: of \: an \: element \\ = \frac{given \: mass \: of \: the \: element}{atomic \: mass \: of \: the \: element}$