O CHEMICAL REACTIONS Determining the molar mass of an acid by titration An analytical chemist weighs out 0.188 g of an unknown triprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1500 M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 38.4 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 x10 1/5 X SI
O CHEMICAL REACTIONS Determining the molar mass of an acid by titration An analytical chemist weighs out 0.188 g of an unknown triprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1500 M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 38.4 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 x10 1/5 X SI
Chapter9: Acids, Bases, And Salts
Section: Chapter Questions
Problem 9.109E
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O CHEMICAL REACTIONS
Determining the molar mass of an acid by titration
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An analytical chemist weighs out 0.188 g of an unknown triprotic acid into a 250 mL volumetric flask and dilutes to the mark with
distilled water. She then titrates this solution with 0.1500M NaOH solution. When the titration reaches the equivalence point, the
chemist finds she has added 38.4 mL of NaOH solution.
Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits.
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