Answer to Question #303893 in General Chemistry for cornnnfrogeuu

Question #303893

a. Calculate the pH of a solution consisting of 1.35M acetic acid (CH₃COOH)

(pKa= 1.8 x 10^-5) and 2.83 M sodium acetate (NaC₂H₃O₂).

Expert's answer

pH= pKa + log([base]÷[acid])

=-log(1.8×10^-5) + log (2.83÷1.35)

= 4.74+0.321

= 5.06

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