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An analytical chemist weighs out 0.342 g of an unknown diprotic acid into a 250 ml. volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1800M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 25.3 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. mol 0.²

An analytical chemist weighs out 0.342 g of an unknown diprotic acid into a 250 ml. volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1800M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 25.3 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. mol 0.²

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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An analytical chemist weighs out 0.342 g of an unknown diprotic acid into a 250 ml. volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1800M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 25.3 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. 0 mol
Transcribed Image Text:An analytical chemist weighs out 0.342 g of an unknown diprotic acid into a 250 ml. volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1800M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 25.3 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. 0 mol
A chemist adds 135.0 ml. of a 2.53 mol/L potassium iodide (KI) solution to a reaction flask. Calculate the mass in grams of potassium iodide the chemist has added to the flask. Round your answer to 3 significant digits. 0. 0.9 5
Transcribed Image Text:A chemist adds 135.0 ml. of a 2.53 mol/L potassium iodide (KI) solution to a reaction flask. Calculate the mass in grams of potassium iodide the chemist has added to the flask. Round your answer to 3 significant digits. 0. 0.9 5
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