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 67 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

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 39% of students answer this correctly