Question

what is the mass of four moles of acetic acid(mass=60).​

Answer 1

For calculation of molar mass, add (individual atomic weights of the elements*number of atoms of elements in the compound).

For example, for acetic acid, Molar mass = (mass of carbon*2) + (mass of hydrogen * 4) + (atomic mass of oxygen*2) = (12*2) + (1*4) + (16*2) = 60 u