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Author Question: A 1.00 L buffer solution is 0.150 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLi. Calculate the ... (Read 72 times)

faduma

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on: Nov 18, 2019

Question 1

Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 mol L-1 HCOOH with 100.0 mL of 0.20 mol L-1 HCOOLi. The Ka for HCHO2 is 1.8 × 10-4.
◦ 3.74
◦ 3.87
◦ 3.47
◦ 10.53
◦ 10.13

Question 2

A 1.00 L buffer solution is 0.150 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLi. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 mol L-1 HCl. The Ka for HC7H5O2 is 6.5 × 10-5.
◦ 3.34
◦ 5.03
◦ 3.97
◦ 4.41
◦ 4.19
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by faduma on Nov 18, 2019

poopface

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Reply #1 on: Nov 18, 2019
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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faduma

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Reply 2 on: Nov 18, 2019
Excellent

tanna.moeller

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Reply 3 on: Yesterday
Gracias!

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