Asked by selvi

the pH of the solution obtained by mixing 400ml 0.1M acetic acid, 50ml 0.1M sulphuric acid and 50ml 0.3m sodium acetate is (Ka of acetic acid is 1x10-5)

Answers

Answered by DrBob222
First, use the Henderson-Hasselbalch equation to determine the pH of the buffer portion of the system (acetic acid/sodium acetate). Then add in the H2SO4 which increases the concn of the acid and decreases the concn of the base (acetate). Re-solve for pH.
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