Some Basic Concepts of Chemistry Part 1

Section: Chemistry

Question : 38 of 100

Marks: +1, -0

A 20.0mL solution containing 0.2 g impure H2O2 reacts completely with 0.316 g of KMnO4 in acid solution. The purity of H2 O2 (in % ) is ______ (mol. wt. of H2O2=34; mol. wt. of KMnO4=158)

[4 Sep 2020 Shift 1]

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