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


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