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Author Question: The Ka for formic acid (HCO2H) is 1.8 10-4. What is the pH of a 0.20 M aqueous solution of sodium ... (Read 166 times)

bclement10

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on: Aug 27, 2018
The Ka for formic acid (HCO2H) is 1.8  10-4. What is the pH of a 0.20 M aqueous solution of sodium formate (NaHCO2)?
 
  A) 11.64
  B) 5.48
  C) 3.39
  D) 8.52
  E) 4.26

Question 2

CO (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 C. The total pressure in the container was ________ atm.
 
  A) 10.3
  B) 4.02
  C) 6.31
  D) 0.292
  E) 1.60
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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Jordin Calloway

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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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bclement10

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Reply 2 on: Aug 27, 2018
Excellent

daiying98

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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