A KMnO 4 (aq) solution is to be standardized by titration against As 2 O 3 (s).
Question:
A KMnO4(aq) solution is to be standardized by titration against As2O3(s). A 0.1078 g sample of As2O3 requires 22.15 mL of the KMnO4(aq) for its titration. What is the molarity of the KMnO4(aq)?
5 As2O3 + 4 MnO4- + 9 H2O + 12 H+ → 10 H3AsO4 + 4 Mn2+
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Related Book For
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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