A solution of potassium permanganate is standardized using pure As2O3as the primary standard (upon addition of water, As2O3is converted to H3AsO3). A sample of As2O3weighing 0.2248 g requires 44.22 mL of potassium permanganate solution for titration. Calculate the molarity of the potassium permanganate. 5H3AsO3 + 2MnO4-+ 6H+→2Mn2++ 5H3AsO4+ 3H2O
A solution of potassium permanganate is standardized using pure As2O3as the primary standard (upon addition of water, As2O3is converted to H3AsO3). A sample of As2O3weighing 0.2248 g requires 44.22 mL of potassium permanganate solution for titration. Calculate the molarity of the potassium permanganate. 5H3AsO3 + 2MnO4-+ 6H+→2Mn2++ 5H3AsO4+ 3H2O
Chapter19: Applications Of Standard Electrode Potentials
Section: Chapter Questions
Problem 19.13QAP
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A solution of potassium permanganate is standardized using pure As2O3as the primary standard (upon addition of water, As2O3is converted to H3AsO3). A sample of As2O3weighing 0.2248 g requires 44.22 mL of potassium permanganate solution for titration. Calculate the molarity of the potassium permanganate. 5H3AsO3 + 2MnO4-+ 6H+→2Mn2++ 5H3AsO4+ 3H2O
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