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At a concentration of 1 M, the weak acid HNO, is 2% ionized, and the pH of the solution is 1.7. What happens when KNO, (s) is
You need to prepare 100.0 mL of a pH 4.00 buffer solution using 0.100 M benzoic acid (pK. = 4.20) and 0.180 M sodium benzoate
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Answer #1

1- when strong elctrolye or salt with the same ion as present in weak electrolyte is added the dissociation further supresses called common ion effect.

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