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1. |
When 2.5 g of a. sample of Mohr's salt reacts N completely with 50 mL of \[\frac{N}{10}KMn{{O}_{4}}\] solution. The % purity of the sample of Mohr's salt is: |
A. | 78.4 |
B. | 70 |
C. | 37 |
D. | 40 |
Answer» B. 70 | |