Calculat the relative molecular masses of : (a) Ammonium chloroplatinate(NH4)2PtCl6 (b) Potassium chlorate, (c) CuSO4.5H2O, (d) (NH4)2SO4 (e) CH3COONa, (f) CHCl3 (g) (NH4)2Cr2O7.
(a) Calculate the relative molecular mass of water (H2O).
(b) Calculate the molecular mass of HNO3.