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which equation would you use to calculate the pH of a solution contaning 0.2m acetic acid (pka=4.7) and 0.1 m sodium acetate?

a. write the equation ph=pka+log [A-]/[HA]

b. write the chemical equation of the buffer system describing how the acd is dissociated to form its conjugate base.

c. identify the conjugate base in the buffer solution . be specific to identify from the above mentioned buffer.

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