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Author Question: What is the concentration of the acetate ion of an aqueous solution measured to be 0.20 M acetic ... (Read 92 times)

bobbie

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on: Jul 8, 2021

Question 1

What is the change in pH after addition of 10.0 mL of 1.0 M aqueous sodium hydroxide to 90.0 mL of an aqueous 1.0 M NH3/1.0 M NH4+ buffer? (Kb for ammonia is 1.8 × 10-5)
◦ 1.0 pH unit
◦ 0.1 pH unit
◦ 0.01 pH unit
◦ 0.001 pH unit
◦ zero

Question 2

What is the concentration of the acetate ion of an aqueous solution measured to be 0.20 M acetic acid in 0.20 M hydrochloric acid? (Ka for acetic acid = 1.8 × 10-5)
◦ 3.6 × 10-5 M
◦ 9.0 × 10-6 M
◦ 1.8 × 10-5 M
◦ 7.2 × 10-5 M
◦ 0.20 M
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by bobbie on Jul 8, 2021

ebenov

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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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bobbie

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

jackie

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Reply 3 on: Yesterday
Gracias!

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