A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 350.mg of oxalic acid H2C2O4 , 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 her sodium hydroxide solution. When the titration reaches the equivalence point, the student finds she has used 119.0mL 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.

Chemistry
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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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A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out

350.mg

of oxalic acid

H2C2O4

, 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 her sodium hydroxide solution. When the titration reaches the equivalence point, the student finds she has used

119.0mL

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.

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