An unknown sample of 0.1687 g of Il-positive asset was dissolved in 25.0 mL of water and titrated with 0.1150 M NaOH. 15.5 mL of base is required for the acid to reach the equivalent point. (a) What is the molar mass of acid? (b) After adding 7.25 mL of base when titrated, it was found that the pH was 2.85. What is the value of Ka in acid?
An unknown sample of 0.1687 g of Il-positive asset was dissolved in 25.0 mL of water and titrated with 0.1150 M NaOH. 15.5 mL of base is required for the acid to reach the equivalent point. (a) What is the molar mass of acid? (b) After adding 7.25 mL of base when titrated, it was found that the pH was 2.85. What is the value of Ka in acid?
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 27PS: Phenol, C6H5OH, is a weak organic acid. Suppose 0.515 g of the compound is dissolved in enough water...
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