Calculate the molar mass of suphuric acid `(H_2SO4)` and glucose `(C_8H_12O_6)`.

Calculate the molar masses of C_(12)H_(22)O_(11) and CaCO_(3) .

Calculate the oxidation number of sulphur in H_(2)SO_(3) and in H_(2)S_(2)O_(8)

Calculate the oridation numbers of sulphur in H_(2)SO_(5) and in H_(2)S_(2)O_(8)

Calculate molecular mass of glucose (C_(6)H_(12)O_(6)) molecule.

Calculate the molality of a 9.8% (w/w) solution of H_2SO_4 .

Calculate the mole fraction of H_(2)SO_(4) in a solution containing 98% H_(2)SO_(4) by mass.

Calculate the mass of ascorbic acid (Vitamin C, C_(6)H_(8)O_(6) ) to be dissolved in 75 g of acetic acid to lower its melting point by 1.5 ^(@)C . K_(f) = 3.9 " K kg mol"^(-1)

Calculate the mass precentage of aspirin (C_(9)H_(8)O_(4)) in acetonitrile (CH_(3)CN) when 6.5 gm of C_(9)H_(8)O_(4) is dissolved in 450g of CH_(3)CN .