Author Question: What is the pH of a solution made by mixing 10.00 mL of 0.10 mol L-1 aqueous acetic acid with 10.00 ... (Read 68 times)

ts19998 · **on:** Jul 8, 2021

Question 1

What is the pH of a solution made by dissolving 2.16 g of sodium benzoate (NaC₆H₅CO₂) in a sufficient volume of 0.033 M aqueous benzoic acid solution to prepare 500.0 mL of buffer? [K_a for benzoic acid is 6.3 × 10^-5]
◦ 4.16
◦ 4.37
◦ 4.64
◦ 5.77
◦ 6.30

Question 2

What is the pH of a solution made by mixing 10.00 mL of 0.10 mol L^-1 aqueous acetic acid with 10.00 mL of 0.10 mol L^-1 KOH(aq)? Assume that the volumes of the solutions are additive. K_a =

for CH₃COOH.
◦ 5.28
◦ 7.00
◦ 8.72
◦ 10.02

efwsefaw · **Reply #1 on:** Jul 8, 2021

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