Normality of a mixed solution of sulphuric acid and hydrochloric acid is 0.6 N. 20 ml of this solution gives 0.4305 g of AgCl on reacting with AgNO3 solution. The strength of H2SO4 in g/ l in the mixed solution is
(a) 42.05 g/l
(b) 22.05 g/l
(c) 28.56 g/I
(d) 37.05 g/l
