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Author Question: The Ka of acetic acid (HC2H3O2 ) is 1.8 10-5. What is the pH at 25.0 C of an aqueous solution that ... (Read 61 times)

Pea0909berry

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on: Aug 27, 2018
The Ka of acetic acid (HC2H3O2 ) is 1.8  10-5. What is the pH at 25.0 C of an aqueous solution that is 0.100 M in acetic acid?
 
  A) +2.87
  B) -2.87
  C) -11.13
  D) +11.13
  E) +6.61

Question 2

Combining aqueous solutions of BaI2 and Na2SO4 affords a precipitate of BaSO4. Which ions are spectator ions in the reaction?
 
  A) Ba2+ only
  B) Na+ only
  C) Ba2+ and SO42-
  D) Na+ and I-
  E) SO42- and I-

Question 3

Radiation in the infrared portion of the spectrum is absorbed by ________ found in the atmosphere.
 
  A) N2
  B) O2
  C) CO2
  D) Ar
  E) He
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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batool

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Reply #1 on: Aug 27, 2018
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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Pea0909berry

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Reply 2 on: Aug 27, 2018
:D TYSM

alexanderhamilton

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Reply 3 on: Yesterday
Excellent

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