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The purity of H2O2 in a given sample is 85%. Calculate the weight of impure sample of H2O2 which requires 10 mL of M/5 KMnO4 solution in a titration in acidic medium
  • 2.0 g
  • 0.2 g
  • 0.17 g
  • 0.15 g

Abhishek Dogra , 6 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 6 Years ago

Mass of 100% pure H2O2 required = 0.17 g
Mass of 85% pure H2O2 required = 0.17 x (100/85)
  = 0.2 g

Thus, weight of impure sample of H2O2 = 0.2 g
Approved
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