A sample of pyrolusite weighs 0.5000 g. To this is added 0.6674 g of As2O3 and dilute acid. After solvent action has ceased, the excess three-valent arsenic is titrated with 45.00 mL of 0.1000 N KMnO4. Calculate the oxidizing power of the pyrolusite in terms of percemtage MnO2.
A sample of pyrolusite weighs 0.5000 g. To this is added 0.6674 g of As2O3 and dilute acid. After solvent action has ceased, the excess three-valent arsenic is titrated with 45.00 mL of 0.1000 N KMnO4. Calculate the oxidizing power of the pyrolusite in terms of percemtage MnO2.
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Chapter19: Electrochemistry
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Problem 19.123QP: An aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39...
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35.A sample of pyrolusite weighs 0.5000 g. To this is added 0.6674 g of As2O3 and dilute acid. After solvent action has ceased, the excess three-valent arsenic is titrated with 45.00 mL of 0.1000 N KMnO4. Calculate the oxidizing power of the pyrolusite in terms of percemtage MnO2.
36. A solution of Iodinebia such concentration that 20.0 mL are required to titrate the antimony in a 0.100 g sample containing 84.93% Sb2S3(339.7 g/mol). What is the value of 1.00 mL of this Iodine in terms of grams sulfue in tiration?
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