How many moles of sodium benzoate must be added to 25 l of

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a) How many moles of sodium benzoate must be added to 2.5 L of .15 M benzoic acid to form a buffer whose pH is 4.46? Assume the addition of sodium benzoate does not change the total volume of the solution.

b) If a strong base, say potassium hydroxide, was added to the buffer above what would happen to the pH and why?

c) If 120.0 mL of 1.3 M KOH is added to the buffer what would be the new pH.

Reference no: EM13642851

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