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12 Dec 2019

A buffer solution consists of 0.5 M acetic acid and 0.5 M sodium acetate (conjugate base). Ka = 1.8 × 10−5 If 0.15 M NaOH is added to the solution, what is the final pH? (a) 5.0 (b) 4.5 (c) 4.7 (d) 4.3

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Hubert Koch
Hubert KochLv2
13 Dec 2019

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Related questions




Write reaction equations to explain how acetic acid-acetate buffer reacts with an acid and reacts with a base.

Say, for example, that you had prepared a Buffer C, in which you mixed 1.35 g of sodium acetate, NaC2H3O2, with 100.0 mL of 1.0 M acetic acid.

a. What would be the initial pH of Buffer C?

b. If you add 5.0 mL of 0.5 M NaOH solution to 20.0 mL each of Buffer B and Buffer C, which buffer’s pH would change less? Explain.

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