An analytical chemist weighs out 0.131 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.1200 M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 11.6 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. 0 mol X ? 00 B 00 E

Chemistry: The Molecular Science
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Chapter3: Chemical Reactions
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Problem 93QRT: A soft drink contains an unknown mass of citric acid, C3H5O(COOH)3. It requires 6.42 mL of 9.580 ×...
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An analytical chemist weighs out 0.131 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then
titrates this solution with 0.1200 M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 11.6 mL of NaOH
solution.
Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits.
0
mol
x10
X
Ś
?
8
40
000
Ar
J
Transcribed Image Text:An analytical chemist weighs out 0.131 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.1200 M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 11.6 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. 0 mol x10 X Ś ? 8 40 000 Ar J
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