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You dissolve 15.6 g of sodium acetate in water to make 250.0 ml of sodium acetate...

You dissolve 15.6 g of sodium acetate in water to make 250.0 ml of sodium acetate solution.

A.) What is the pH of the solution? (pKb of acetate is 9.255)

B.) You take 25.0 ml of your solution from A and add 25.0 ml of .40 M NaOH. What is the pH of the resulting solution?

C.) You take a second 25.0 mL portion of your solution and add 25.0 ml of .10 M HCl. What is the pH of the resulting solution?

D.) You take a third 25.0 mL portion of your solution and add 25.0 mL of .21 M HCl. What is the pH of the resulting solution?

E.) Which of the above solutions (from parts A, B, C, and D) are buffers?

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