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12.8-test4

12.8-test4 - A solution of carbonic acid is mixed with a...

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1 A solution of carbonic acid is mixed with a solution of sodium sulfide. 1. HCO 3 1- + S 2- <-> CO 3 2- + HS 1- 2. H 2 CO 3 + S 2- -> CO 3 2- + H 2 S 3. H 2 CO 3 + S 2- <-> HCO 3 1- + HS 1- 4. H 2 CO 3 + S 2- -> HCO 3 1- + HS 1- A solution of sodium acetate is mixed with a solution of hydrochloric acid. 1. HCl+ C 2 H 3 O 2 1- -> Cl 1- + HC 2 H 3 O 2 2. H 3 O 1+ + C 2 H 3 O 2 1- -> H 2 O + HC 2 H 3 O 2 3. HClO+ C 2 H 3 O 2 1- <-> ClO 1- + HC 2 H 3 O 2 4. H 3 O 1+ + C 2 H 3 O 2 1- <-> H 2 O + HC 2 H 3 O 2 A solution of sodium acetate. 1. H 2 O + C 2 H 3 O 2 1- <-> OH 1- + HC 2 H 3 O 2 2. H 3 O 1+ + C 2 H 3 O 2 1- -> H 2 O + HC 2 H 3 O 2 3. HC 2 H 3 O 2 + H 2 O <-> C 2 H 3 O 2 1- + H 3 O 1+ 4. H 2 O + C 2 H 3 O 2 1- <-> H 3 O 1+ + HC 2 H 3 O 2 Calculate the value of K a for this reaction: HS 1- + HPO 4 2- <-> H 2 S + PO 4 3- 1. 1.0x10 -7 /4.8x10 -13 = 2.1x10 5 2. 1.3x10 -13 /4.8x10 -13 = 2.7x10 -1 3. 4.8x10 -13 /1.0x10 -7 = 4.8x10 -6 4. 4.8x10 -13 /1.3x10 -13 = 3.7 Cl O O H Section 12.8 Bronsted Acid-Base Reactions
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12.8-test4 - A solution of carbonic acid is mixed with a...

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