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Consider the titration of 36.0 mL of 0.123 M ammonia with 0.0766 M HCl. (See the Acid-Base Table attached.) (a) How many mL of HCl are required to reach the equivalence point? 57.8  mL (b) What is the pH at the equivalence point?  5.29 (c) What is the pH of the solution after the addition of 17.2 mL of acid?   (d) What is the pH of the solution after the addition of 84.3 mL of acid? (only need help witn c and d)

Consider the titration of 36.0 mL of 0.123 M ammonia with 0.0766 M HCl. (See the Acid-Base Table attached.) (a) How many mL of HCl are required to reach the equivalence point? 57.8  mL (b) What is the pH at the equivalence point?  5.29 (c) What is the pH of the solution after the addition of 17.2 mL of acid?   (d) What is the pH of the solution after the addition of 84.3 mL of acid? (only need help witn c and d)

Organic Chemistry
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter23: Amines
Section: Chapter Questions
Problem 23.31P
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Consider the titration of 36.0 mL of 0.123 M ammonia with 0.0766 M HCl. (See the Acid-Base Table attached.)

(a) How many mL of HCl are required to reach the equivalence point?
57.8  mL

(b) What is the pH at the equivalence point?
 5.29

(c) What is the pH of the solution after the addition of 17.2 mL of acid?
 

(d) What is the pH of the solution after the addition of 84.3 mL of acid?
(only need help witn c and d)
Acid Name perchloric acid hydrohalic acid sulfuric acid nitric acid hydronium ion iodic acid oxalic acid sulfurous acid hydrogen sulfate ion phosphoric acid hydrofluoric acid nitrous acid lactic acid formic acid hydrogen oxalate ion hydrazoic acid acetic acid carbonic acid hydrogen sulfite ion hydrosulfuric acid dihydrogen phosphate ion hypochlorous acid ammonium ion hydrocyanic acid hydrogen carbonate ion Conjugate Acid HC1O4 HX (X = I, Br, Cl) H₂SO4 HNO3 ammonia hydroxide ion H₂O¹+ HIO3 H₂C2O4 H₂SO3 HSO H3PO4 HF HNO2 HC3H5O3 HCHO2 HC₂0¹1- HN3 HC2H3O2 H₂CO3 HSO¹- H₂S H₂PO¹1- HCIO NH1+ HCN HCO3- hydrogen phosphate ion HPO2- HS¹- hydrogen sulfide ion water H₂O NH3 OH¹- Ka >> 1 >> 1 >> 1 >> 1 1.0 0.17 5.9 × 10-2 1.5 × 10-2 1.2 x 10-2 7.5 x 10-3 7.2 x 10-4 4.0 x 10- -4 6.4 x 10-5 1.8 x 10-4 6.4 x 10-5 1.9 × 10-5 1.8 x 10-5 4.3 x 10-7 1.0 x 10-7 1.0 x 10-7 6.2 x 10-8 3.5 x 10-8 5.6 × 10-10 4.0 × 10-10 4.7 x 10-11 4.8 x 10-13 1.3 x 10-13 1.0 × 10-14 << 10-14 << 10-14 pKa <0 <0 <0 <0 0.00 0.77 1.23 1.82 1.92 2.12 3.14 3.40 3.85 3.74 4.19 4.72 4.74 6.37 7.00 7.00 7.21 Conjugate Base CIO¹- X¹- HSO4- NO¹- H₂O 10- HC₂0¹1- HSO3- SO²- H₂PO¹1- Fl- NO¹ C3H5O3- CHO C₂0²- N²- C₂H30¹2- HCO3- SO²- HS¹- HPO²- CIO ¹- NH3 CN¹- 7.46 9.25 9.40 10.33 CO 12.32 PO³- 12.89 S²- 14.00 OH¹- NH₂- 0²- Base Name perchlorate ion halide ion hydrogen sulfate ion nitrate ion water iodate ion hydrogen oxalate ion hydrogen sulfite ion sulfate ion dihydrogen phosphate ion fluoride ion nitrite ion lactate ion formate ion oxalate ion azide ion acetate ion hydrogen carbonate ion sulfite ion hydrogen sulfide ion hydrogen phosphate ion hypochlorite ion ammonia cyanide ion carbonate ion phosphate ion sulfide ion hydroxide ion amide ion oxide ion
Transcribed Image Text:Acid Name perchloric acid hydrohalic acid sulfuric acid nitric acid hydronium ion iodic acid oxalic acid sulfurous acid hydrogen sulfate ion phosphoric acid hydrofluoric acid nitrous acid lactic acid formic acid hydrogen oxalate ion hydrazoic acid acetic acid carbonic acid hydrogen sulfite ion hydrosulfuric acid dihydrogen phosphate ion hypochlorous acid ammonium ion hydrocyanic acid hydrogen carbonate ion Conjugate Acid HC1O4 HX (X = I, Br, Cl) H₂SO4 HNO3 ammonia hydroxide ion H₂O¹+ HIO3 H₂C2O4 H₂SO3 HSO H3PO4 HF HNO2 HC3H5O3 HCHO2 HC₂0¹1- HN3 HC2H3O2 H₂CO3 HSO¹- H₂S H₂PO¹1- HCIO NH1+ HCN HCO3- hydrogen phosphate ion HPO2- HS¹- hydrogen sulfide ion water H₂O NH3 OH¹- Ka >> 1 >> 1 >> 1 >> 1 1.0 0.17 5.9 × 10-2 1.5 × 10-2 1.2 x 10-2 7.5 x 10-3 7.2 x 10-4 4.0 x 10- -4 6.4 x 10-5 1.8 x 10-4 6.4 x 10-5 1.9 × 10-5 1.8 x 10-5 4.3 x 10-7 1.0 x 10-7 1.0 x 10-7 6.2 x 10-8 3.5 x 10-8 5.6 × 10-10 4.0 × 10-10 4.7 x 10-11 4.8 x 10-13 1.3 x 10-13 1.0 × 10-14 << 10-14 << 10-14 pKa <0 <0 <0 <0 0.00 0.77 1.23 1.82 1.92 2.12 3.14 3.40 3.85 3.74 4.19 4.72 4.74 6.37 7.00 7.00 7.21 Conjugate Base CIO¹- X¹- HSO4- NO¹- H₂O 10- HC₂0¹1- HSO3- SO²- H₂PO¹1- Fl- NO¹ C3H5O3- CHO C₂0²- N²- C₂H30¹2- HCO3- SO²- HS¹- HPO²- CIO ¹- NH3 CN¹- 7.46 9.25 9.40 10.33 CO 12.32 PO³- 12.89 S²- 14.00 OH¹- NH₂- 0²- Base Name perchlorate ion halide ion hydrogen sulfate ion nitrate ion water iodate ion hydrogen oxalate ion hydrogen sulfite ion sulfate ion dihydrogen phosphate ion fluoride ion nitrite ion lactate ion formate ion oxalate ion azide ion acetate ion hydrogen carbonate ion sulfite ion hydrogen sulfide ion hydrogen phosphate ion hypochlorite ion ammonia cyanide ion carbonate ion phosphate ion sulfide ion hydroxide ion amide ion oxide ion
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