A student performed titration to determine the concentration of citric acid with potassium permanganate solution. The net ionic equation is as follows: 5C6H8O7  + 18MnO4-   + 54H+  → 30CO2  + 47H2O  + 18Mn2+ The concentration of potassium permanganate soluiton is 0.266 M. The volume of lemon juice is 25.00 mL. The titration consumed 17.6  mL of potassium permanganate solution to reach the endpoint. Determine the moles of citric acid in the lemon juice sample.

Introductory Chemistry For Today
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ISBN:9781285644561
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Chapter9: Acids, Bases, And Salts
Section: Chapter Questions
Problem 9.103E
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A student performed titration to determine the concentration of citric acid with potassium permanganate solution. The net ionic equation is as follows:

5C6H8O7  + 18MnO4-   + 54H+  → 30CO2  + 47H2O  + 18Mn2+

The concentration of potassium permanganate soluiton is 0.266 M. The volume of lemon juice is 25.00 mL. The titration consumed 17.6  mL of potassium permanganate solution to reach the endpoint. Determine the moles of citric acid in the lemon juice sample.

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