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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 | |