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Author Question: In a titration, the equivalence point of a weak acid occurs when 18.0 mL of base has been added. The ... (Read 78 times)

SO00

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on: Mar 21, 2021

Question 1

Formic acid (Ka = 1.8×10-4) and sodium formate can be used to prepare a buffer with a pH = 3.50.

◦ true
◦ false

Question 2

In a titration, the equivalence point of a weak acid occurs when 18.0 mL of base has been added. The pH at 9.0 mL equals pKa.

◦ true
◦ false
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Marked as best answer by SO00 on Mar 21, 2021

xiaomengxian

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Reply #1 on: Mar 21, 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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SO00

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review

helenmarkerine

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

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