An analytical chemist weighs out 0.063 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She ther titrates this solution with 0.1900M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 3.5 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 2 significant digits. mol O

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O CHEMICAL REACTIONS
Determining the molar mass of an acid by titration
An analytical chemist weighs out 0.063 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She then
titrates this solution with 0.1900M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 3.5 mL of NaOH
solution.
Calculate the molar mass of the unknown acid. Round your answer to 2 significant digits.
mol
Transcribed Image Text:O CHEMICAL REACTIONS Determining the molar mass of an acid by titration An analytical chemist weighs out 0.063 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1900M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 3.5 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 2 significant digits. mol
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