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Abhingya Patra Grade: 11
        

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?

7 years ago

Answers : (1)

ABHISHEK JAIN AskiitiansExpert-IITD
20 Points
										

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

6 years ago
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