A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 135. mg of oxallc acid (H,C,0), 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 120.1 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Round your answer to 3 significant digits.
A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 135. mg of oxallc acid (H,C,0), 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 120.1 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Round your answer to 3 significant digits.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter6: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 80E: The concentration of a certain sodium hydroxide solution was determined by using the solution to...
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Transcribed Image Text:A chemistry student needs to standardize
fresh solution of sodium hydroxide. He carefully weighs out 135. mg of oxalic acid (H, C,0,), 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 solútion with his sodium hydroxide solution. When the titration reaches the equivalence point, the student finds he has used 120.1 mL of
sodium hydroxide solution.
Calculate the molarity of the student's sodium hydroxide solution. Round your answer to 3 significant digits.
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