A buffer solution is prepared by mixing 20.0 mL 0.45 M HAc
(acetic acid) with 35.0...
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Chemistry
A buffer solution is prepared by mixing 20.0 mL 0.45 M HAc(acetic acid) with 35.0 mL 0.45 MNaAc (sodium acetate) (a) What isthe amount of 4.0 M HAc which must be added to this buffer solutionto double [H3O+]? (b) What is the amount of 2.0 M HCl that must beadded to decrease the pH by 0.50? (c) How much NaOH(s) in g has tobe added to the solution to raise the pH by 2.00?
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4.1 Ratings (718 Votes)
a in order to double H3O this means initial pH pH pKa logAHA mmol of A MV 35045 1575 mmol of A mmol of HA MV 20045 9 mmol of HA pH 475 log15759 49930 so H3O 10pH 1049930 1016248105 to double
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