Question

The molar mass of hydrogen (H2) is 2.02 g/mol. A sample contains 4.00 mol of H2. What is the mass, in grams, of this sample?

Answer 1

n = 4.00 mol

M = 2.02 g/mol

m= ?

by applying m = n × M

m = 4 × 2.02

m = 8.08 g


Thanks