A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 41. mg of oxalic acid (H₂C₂O4), a diprotic acid that ca be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with his sodium hydroxide solution. When the titration reaches the equivalence point, the student finds he has used 10.5 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Be sure your answer has the correct number of significant digits. 0.0835 M X

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 41. mg of oxalic acid (\(H_2C_2O_4\)), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with his sodium hydroxide solution. When the titration reaches the equivalence point, the student finds he has used 10.5 mL of sodium hydroxide solution.

Calculate the molarity of the student's sodium hydroxide solution. Be sure your answer has the correct number of significant digits.

A text box suggesting an answer is visible with the value:

0.0835 \(M\)
Transcribed Image Text:A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 41. mg of oxalic acid (\(H_2C_2O_4\)), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with his sodium hydroxide solution. When the titration reaches the equivalence point, the student finds he has used 10.5 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Be sure your answer has the correct number of significant digits. A text box suggesting an answer is visible with the value: 0.0835 \(M\)
Expert Solution
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In the given question we have to calculate the Molarity of NaOH solution, 

first of all, we have to write the titration reaction then calculate the moles of oxalic acid used, From the reaction equation by applying mole ratio to find out the moles of NaOH used.

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