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What is the pH p H change of a 0.200 M M solution of citric...

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Chemistry

What is the pH p H change of a 0.200 M M solution of citric acid(pKa=4.77 p K a = 4.77 ) if citrate is added to a concentration of0.140 M M with no change in volume?

Answer & Explanation Solved by verified expert
4.3 Ratings (755 Votes)
Let citric acid be denoted by HA Dissociation of HA HAaq H2O l A aq H3O aq where Ka is the dissociation constant 02 0 0 Initial concentration 02x x x Concentration at equilibrium Ka A H3O    See Answer
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