A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 204. mg of oxalic acid (H,C,04), 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 136.5 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 chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 204. mg of oxalic acid (H,C,04), 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 136.5 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.
General Chemistry - Standalone book (MindTap Course List)
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Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.124QP: An antacid tablet contains sodium hydrogen carbonate, NaHCO3, and inert ingredients. A 0.465-g...
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Standardising a base solution by titration.
Transcribed Image Text:A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 204. mg of oxalic acid (H,C,04), 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 136.5 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.
M
x10
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