1.

What weight of \[{{H}_{2}}{{C}_{2}}{{O}_{4}}\,\,2{{H}_{2}}O\,\,(\text{mol}\text{.}\,\text{wt}\text{.}\,=126)\] should be dissolved to prepare 250 ml of cent normal to be used as a reducing agent?

A. 0.63 gm
B. 0.1575 gm
C. 0.126 gm
D. 0.875 gm
Answer» D. 0.875 gm


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