Question

The number of mole of a molecule is defined as its mass per molar mass. Using # mol = n,
mass = m and molar mass = M and given that n =
M
m
, rearrange this expression for
(a) M = ? (b) m = ? (c) If n = 0.0021 mol and M = 44 g/mol; what is the value of m?

Answer 1

n=m/M

M=m/n

m=M*n