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(17.2.c.7) Consider how to prepare a buffer solution with pH = 7.53 (using one of the weak acid/conjugate base systems s...

(17.2.c.7)

Consider how to prepare a buffer solution with pH = 7.53 (using one of the weak acid/conjugate base systems shown here) by combining1.00 L of a 0.357-M solution of weak acid with 0.300 M sodium hydroxide.

Weak Acid Conjugate Base Ka pKa

HNO2

NO2-

4.5 x 10-4

3.35

HClO

ClO-

3.5 x 10-8

7.46

HCN

CN-

4.0 x 10-10

9.40


How many L of the sodium hydroxide solution would have to be added to the acid solution of your choice?

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Answer #1

lxo.357.= o.357 moles , Huo= 1L, 0.357 M O.87 mdes -INa nt7 0.3M, 7L 1 (weak acidl choasen whose pka io close o p i nder to g

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