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Author Question: HA is an acid with a pKa = 4.5. Which of the following statements about an aqueous solution of HA is true? (Read 46 times)

notis

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on: Nov 6, 2019
HA is an acid with a pKa = 4.5. Which of the following statements about an aqueous solution of HA is true?
◦ At pH = 3.5, the solution contains more A- than HA
◦ At pH = 4.5, the solution contains about the same amount of A- and HA.
◦ At pH = 4.5, the solution contains more H-A than A-
◦ At pH = 6.5, the solution contains much more HA than A-.
◦ At pH = 4.5, the solution contains more A- than H-A
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Marked as best answer by notis on Nov 6, 2019

Chou

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Reply #1 on: Nov 6, 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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notis

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Reply 2 on: Nov 6, 2019
YES! Correct, THANKS for helping me on my review

sultansheikh

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

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