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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 70 times)

drink

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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 Ka 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


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Marked as best answer by drink on Jul 8, 2021

vkodali

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drink

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Reply 2 on: Jul 8, 2021
Wow, this really help


rachel

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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