A buffer is prepared by adding 030 mol ch3coona to 20 l of, Chemistry

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A buffer is prepared by adding 030 mol ch3coona to 20 l of

Problem- A buffer is prepared by adding 0.30 mol CH3COONa to 2.0 L of a 0.10 M CH3COOH solution. Calculate the pH after 0.030 mol HCl are added to the buffer. (Ka for CH3COOH = 1.8 x 10-5)

A. 1.52

B. 4.68

C. 4.81

D. 5.13

E. 6.34

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Chemistry: A buffer is prepared by adding 030 mol ch3coona to 20 l of

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Chemistry: A buffer is prepared by adding 030 mol ch3coona to 20 l of

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