# chemistry

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What is the percentage purity of sample if 3.92g of mohr's salt react completely with 50 ml N/10 Kmno4 solution

• chemistry -

Working in N has real advantages over using M but most schools don't teach that now.
mL x N x milliequivalent weight = g
50 x 0.1 x 0.392 = ?g
(?g/3.92)*100 = % purity.

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