" 12) Calculate the formula unit mass of "CaCl_(2)

Calculate the formula mass of CHCl3

Calculate the formula mass of CH3COONa

(a) Calculate the formula unit mass of Na_(2)SO_(4) (b) What is the mass of one mole of sulphur atoms? (c) Convert 12 g of oxygen into mole.

Calculate the formula mass of KHCO3.

Calculate formula unit mass of CuSO_(4)

Calculate the Molecular formula unit mass of Na_(2)O , given atomic masses of Na = 234 and O = 164

Calculate the formula mass of CuSO4.5H2O