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4. Calculate the change in pH that results from adding 25 mL of 0.010F HCI to 500ml buffer solution which is 0.25M ammonia and 0.15M ammonium chloride.

4. Calculate the change in pH that results from adding 25 mL of 0.010F HCI to 500ml buffer solution which is 0.25M ammonia and 0.15M ammonium chloride.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Acetic acid: ka = 1.75x105 Ammonia: ko = 1.8x105. Hydrofluoric acid: 7.2 x104 Hydrogen sulfide: kal = 5.7x108 kaz = 1.2x10-15 Solubility Product Constants, kap Nickel hydroxide 2.0x10-14 Nickel sulfide: 1.4x10-24 Manganous 4.5 x1014 Manganous sulfide: 1.4 x1015 hydroxide: Aluminum chromium 1.0x10 30 hydroxide: 1.9x10 33 hydroxide: 1. The pksa value of calcium fluoride is 10.41. Calculate the solubility in g/L at 25 oC in: a. pure water b. 0.0200 M solution of calcium nitrate c. 0.0.30M hydrofluoric acid acid 2. A 200 ml of 0.05 F hydrogen sulfide solution is added to 25 mL 1.5 Facetic acid solution. Compute the sulfide ion concentration of the solution 3. A 50.0 ml of 0.02 F ammonia solution is added to a solution containing 0.004 g Ni?, 0.003 g Mn2+, and 0.002 g Cr2 per 750 mla a. calculate whether or not a precipitate will form b. if answer to (a) is yes, formulas of precipitates c. which ion will precipitate first d. what pH is necessary to prevent precipitation of all cations 4. Calculate the change in pH that results from adding 25 ml of 0.010F HCI to 500ml buffer solution which is 0.25M ammonia and 0.15M ammonium chloride.
Transcribed Image Text:Acetic acid: ka = 1.75x105 Ammonia: ko = 1.8x105. Hydrofluoric acid: 7.2 x104 Hydrogen sulfide: kal = 5.7x108 kaz = 1.2x10-15 Solubility Product Constants, kap Nickel hydroxide 2.0x10-14 Nickel sulfide: 1.4x10-24 Manganous 4.5 x1014 Manganous sulfide: 1.4 x1015 hydroxide: Aluminum chromium 1.0x10 30 hydroxide: 1.9x10 33 hydroxide: 1. The pksa value of calcium fluoride is 10.41. Calculate the solubility in g/L at 25 oC in: a. pure water b. 0.0200 M solution of calcium nitrate c. 0.0.30M hydrofluoric acid acid 2. A 200 ml of 0.05 F hydrogen sulfide solution is added to 25 mL 1.5 Facetic acid solution. Compute the sulfide ion concentration of the solution 3. A 50.0 ml of 0.02 F ammonia solution is added to a solution containing 0.004 g Ni?, 0.003 g Mn2+, and 0.002 g Cr2 per 750 mla a. calculate whether or not a precipitate will form b. if answer to (a) is yes, formulas of precipitates c. which ion will precipitate first d. what pH is necessary to prevent precipitation of all cations 4. Calculate the change in pH that results from adding 25 ml of 0.010F HCI to 500ml buffer solution which is 0.25M ammonia and 0.15M ammonium chloride.
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