Question

0.1N solution of a dibasic acid can be prepared by dissolving `0.45gm` of the acid in water and diluting to 100ml. The molecular mass of the acid is
A. 45
B. 90
C. 135
D. 180

Answer 1

Correct Answer - B
`N = (w)/(GEW) xx (1000)/(V("in ml"))` (M.Wt. = Eq Wt `xx 2)`