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es this solution with 0.0600 M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 37.2 mL of NaOH ion. ulate the molar mass of the unknown acid. Round your answer to 3 significant digits. mol

es this solution with 0.0600 M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 37.2 mL of NaOH ion. ulate the molar mass of the unknown acid. Round your answer to 3 significant digits. mol

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Titration Analysis of an Unknown Monoprotic Acid** An analytical chemist weighs out 0.192 g of an unknown monoprotic acid and places it into a 250 mL volumetric flask. The flask is then filled to the mark with distilled water. This solution is titrated with a 0.0600 M NaOH solution. At the equivalence point of the titration, it is determined that 37.2 mL of the NaOH solution has been added. **Task:** Calculate the molar mass of the unknown acid, rounding your answer to three significant digits. **Diagram:** - **Input Box:** There is a box where the final answer should be entered with units specified as "g/mol". - **Controls:** - A reset button characterized by a curved arrow. - A help button with a question mark icon. - A multiplication factor box indicating "×10", useful for scientific notation entry.
Transcribed Image Text:**Titration Analysis of an Unknown Monoprotic Acid** An analytical chemist weighs out 0.192 g of an unknown monoprotic acid and places it into a 250 mL volumetric flask. The flask is then filled to the mark with distilled water. This solution is titrated with a 0.0600 M NaOH solution. At the equivalence point of the titration, it is determined that 37.2 mL of the NaOH solution has been added. **Task:** Calculate the molar mass of the unknown acid, rounding your answer to three significant digits. **Diagram:** - **Input Box:** There is a box where the final answer should be entered with units specified as "g/mol". - **Controls:** - A reset button characterized by a curved arrow. - A help button with a question mark icon. - A multiplication factor box indicating "×10", useful for scientific notation entry.
Expert Solution
Step 1

We should equal equivalent of both acid and NaOH ion to get molarity mass of acid 

Equivalent = molarity×volume×nfactor or mole×nfactor 

 n factor is define total no of replacable H+ion or OH- ion of acid and base respectively or change in oxidation number of 1 mole atom

Molar mass=86.09g/mol 

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