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0.2g of sample of H2O2 required 10ml of 1N KMnO4 solution in a titration in presence of dil. H2SO4. What is the percentage of purity of H2O2?
dear Abhingya,
equivalent weight of H2O2 = eq. weight of KMnO4
W/E = N × V
W/17 = 1 × 10/1000
W = .17
Hence % of purity = .17/.2 × 100
= 85 %
with regards,
abhishek jain
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