Calculate the molecular mass of ethanoic acid, CH3 COOH.
(Atomic masses: C = 12 u; H = 1 u; O = 16 u)
Molecular mass of ethanoic acid (CH3COOH) = 1xC + 3xH + 1xC + 2xO + 1xH = 12+3+12+32+1 = 60u