An analytical chemist weighs out 0.133 g of an unknown diprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.0900 M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 22.0 mL of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. g mol 0 X
An analytical chemist weighs out 0.133 g of an unknown diprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.0900 M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 22.0 mL of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. g mol 0 X
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 118CP: Malonic acid (HO2CCH2CO2H) is a diprotic acid. In the titration of malonic acid w ith NaOH,...
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Determining the molar mass of an acid by titration
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An analytical chemist weighs out 0.133 g of an unknown diprotic acid into a 250 mL volumetric flask and dilutes to the mark with
distilled water. He then titrates this solution with 0.0900 M NaOH solution. When the titration reaches the equivalence point, the
chemist finds he has added 22.0 mL of NaOH solution.
Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits.
!
1
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Explanation
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