Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this diluted sample. Titration data were given to Rity and she found out that the 50.0-mL diluted sample contains 0.21 mmol of lactic acid.What is the lactic acid concentration (in M) of the titrated sample? Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milksample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this dilutedsample. Titration data were given to Rity and she found out that the 50.0-mLdiluted sample contains 0.21 mmol of lactic acid.MW: Lactic Acid (90.08)

10.0 mL fermented sample diluted to 250 mL 15.0 mL aliquot of the solution diluted to 50 mL 50 mL…

Answered: Mola and Rity were tasked to analyze…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 55P

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Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this diluted sample. Titration data were given to Rity and she found out that the 50.0-mL diluted sample contains 0.21 mmol of lactic acid.

What is the lactic acid concentration (in M) of the titrated sample?

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