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2) What volume of a 0.0225 M solution of potassium permanganate are required to titrate 0.461 g of sample that is 61.4% sodium oxalate?

2) What volume of a 0.0225 M solution of potassium permanganate are required to titrate 0.461 g of sample that is 61.4% sodium oxalate?

Chemistry
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
Chapter1: Chemical Foundations
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**Question 2:** What volume of a 0.0225 M solution of potassium permanganate is required to titrate 0.461 g of a sample that is 61.4% sodium oxalate? **Explanation:** This question is a part of a titration problem involving potassium permanganate (KMnO₄) as the titrant and a sample containing sodium oxalate (Na₂C₂O₄). The goal is to determine the volume of the potassium permanganate solution needed to completely react with the sodium oxalate in the given sample. **Details:** - **Molarity (M) of KMnO₄ solution:** 0.0225 M - **Mass of sample:** 0.461 g - **Percentage of sodium oxalate in sample:** 61.4% To solve this, you would: 1. Calculate the mass of sodium oxalate in the sample using the given percentage. 2. Convert this mass to moles using the molar mass of sodium oxalate. 3. Use the stoichiometry of the reaction between sodium oxalate and potassium permanganate to find the moles of KMnO₄ needed. 4. Convert moles of KMnO₄ to volume using the provided molarity. This is an essential calculation in chemical analysis, particularly in determining concentrations and purity of compounds in a mixture.
Transcribed Image Text:**Question 2:** What volume of a 0.0225 M solution of potassium permanganate is required to titrate 0.461 g of a sample that is 61.4% sodium oxalate? **Explanation:** This question is a part of a titration problem involving potassium permanganate (KMnO₄) as the titrant and a sample containing sodium oxalate (Na₂C₂O₄). The goal is to determine the volume of the potassium permanganate solution needed to completely react with the sodium oxalate in the given sample. **Details:** - **Molarity (M) of KMnO₄ solution:** 0.0225 M - **Mass of sample:** 0.461 g - **Percentage of sodium oxalate in sample:** 61.4% To solve this, you would: 1. Calculate the mass of sodium oxalate in the sample using the given percentage. 2. Convert this mass to moles using the molar mass of sodium oxalate. 3. Use the stoichiometry of the reaction between sodium oxalate and potassium permanganate to find the moles of KMnO₄ needed. 4. Convert moles of KMnO₄ to volume using the provided molarity. This is an essential calculation in chemical analysis, particularly in determining concentrations and purity of compounds in a mixture.
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