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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 69 times)

drink

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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 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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Reply #1 on: Jul 8, 2021
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.
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drink

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Reply 2 on: Jul 8, 2021
Excellent

pratush dev

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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