Author Question: What is the pH of an aqueous solution made by mixing 25.00 mL of 0.100 mol L-1 HCl with 40.00 mL of ... (Read 68 times)

drink · **on:** Jul 8, 2021

Question 1

What is the pH of an aqueous buffer solution that is 0.211 mol L^-1 in lactic acid and 0.111 mol L^-1 in sodium lactate? The K_a of lactic acid is 1.4 × 10^-4.
◦ 14.28
◦ 10.43
◦ 5.48
◦ 3.57
◦ 4.13

Question 2

What is the pH of an aqueous solution made by mixing 25.00 mL of 0.100 mol L^-1 HCl with 40.00 mL of 0.100 mol L^-1 KOH? Assume that the volumes of the solutions are additive.
◦ 0.64
◦ 1.64
◦ 12.36
◦ 13.36

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

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