2MnO4— + 5C2O42— + 16H+ 2Mn2+ + 10CO2 + 8H2O A solution of KMnO4 was prepared and 50.99 mL was used to completely titrate 0.5355 g of pure Na2C2O4. What is the concentration of the KMnO4 solution? Na2C2O4 = 134.00 g/mol
2MnO4— + 5C2O42— + 16H+ 2Mn2+ + 10CO2 + 8H2O A solution of KMnO4 was prepared and 50.99 mL was used to completely titrate 0.5355 g of pure Na2C2O4. What is the concentration of the KMnO4 solution? Na2C2O4 = 134.00 g/mol
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 47E
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Question
1. 2MnO4— + 5C2O42— + 16H+ 2Mn2+ + 10CO2 + 8H2O
A solution of KMnO4 was prepared and 50.99 mL was used to completely titrate 0.5355 g of pure Na2C2O4. What is the concentration of the KMnO4 solution?
Na2C2O4 = 134.00 g/mol
2.
Titration of the I2 produced from 0.2645g of primary standard KIO3 required 45.36mL of sodium thiosulfate. Calculate the concentration of the Na2S2O3 in M.
IO3- + 5I- + 6H+ --> 3I2 + 3H2O
I2 + 2S2O32- --> 2I- + S4O62-
KIO3 mw = 214.001g/mol
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