Question

Equivalent weight of hydrated (crystalline) oxalic acid is

• A. $90$
• B. $63$
• C. $45$
• D. $21$

Answer 1

Answer: (B)

$63$

Answer 2

E wt. $= \frac{Mo}{2} = \frac{90\,+\,2\,\times\,18}{2} = 63$