A 1.0-LL buffer solution contains 0.100 molHC2H3O2molHC2H3O2 and 0.100 molNaC2H3O2molNaC2H3O2. The value of KaKa for HC2H3O2HC2H3O2 is 1.8×10−51.8×10−5. Calculate the pHpH of the solution upon addition of 21.4 mLmL of 1.00 MHClMHCl to the original buffer. Express your answer using two decimal places.

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 108IL: A buffer solution with it pH of 12.00 consists of Na3PO4 and Na2HPO4. The volume of solution is...
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A 1.0-LL buffer solution contains 0.100 molHC2H3O2molHC2H3O2 and 0.100 molNaC2H3O2molNaC2H3O2. The value of KaKa for HC2H3O2HC2H3O2 is 1.8×10−51.8×10−5.

Calculate the pHpH of the solution upon addition of 21.4 mLmL of 1.00 MHClMHCl to the original buffer.

Express your answer using two decimal places.
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