Explain sodium acetate and hydrocloric acid

Reference no: EM13227798

in ploystyrene beaker , we mixed 30 mL of 0.1 M sodium acetate and 15 mL of 0.1 M hydrocloric acid .
we measured the PH it was 4.86

and then we added 5 mL of 0.1 M NaOH to this buffer .

how much the PH. I do not know the Ka of HCl

Reference no: EM13227798

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