Question

The molecular weight of compounds
(a) $Na_2SO_4$
(b) $Na_3PO_4.12H_2O$
(c) $Ca_3(PO_4)_2$
resepctively are $X, Y$ and $Z$. The correct set of equivalent weight will be :

• A. $\frac{X}{2}, \frac{Y}{3}, \frac{Z}{6}$
• B. $\frac{X}{2}, Y, \frac{Z}{3}$
• C. $X, \frac{Y}{3}, \frac{Z}{3}$
• D. $X, Y, Z$

Answer 1

Answer: (A)

E = molarmass/v.f. of salt