5. Calculate the pH after 0.100 mole of HCI(g) is bubbled through a buffer solution prepared by mixing 42.0g of NHẠCle) (MW = 53.49 g/mol) with 300.0mL of 1.00M NaOH(aq), all diluted to 1.00L. [Ka for NH = 5.56 x 10101 %3D
5. Calculate the pH after 0.100 mole of HCI(g) is bubbled through a buffer solution prepared by mixing 42.0g of NHẠCle) (MW = 53.49 g/mol) with 300.0mL of 1.00M NaOH(aq), all diluted to 1.00L. [Ka for NH = 5.56 x 10101 %3D
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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![Chemistry
5. Calculate the pH after 0.100 mole of HCI(g) is bubbled through a buffer solution
prepared by mixing 42.0g of NH.Cle) (MW = 53.49 g/mol) with 300.0mL of 1.00M
NaOH(aq), all diluted to 1.00L. [Ka for NH 5.56 x 1010
15. Calculate the molar solubility of TICI(s) in 0.30 M NaCI(aq) at 25°C given Ksp=1.7 x 10*
for thallium chloride at this temperature. [HINT: TICI(s) + H o → TI() + C1" (aq)] (a)
6.9 x 10 M (b) 1.7 x 107M (c)1.2 x 10°M (d) 3.3 x 10 M (e)4.6 x 10°M (g) 6.8 x 10M
(d) 5.7 x 10 M
17. Calculate the pH of a solution made by titrating 10.0mL of 0.100M CH3COOH with
100.0mL of 0.100M NAOH(aq). [Ka for CH3COOH is 1.8 x 101 [HINT: Don't forget total
volume!!]
(a) 1.85 (b) 6.62 (c) 13.35 (f) 7.00 (e) 8.72 (d) 10.061 (g) 9.71 (b) 11.79
20. Vinegar is a 5.0% solution by weight of acetic acid (CH COOH) in water. Given that the
pH for acetic acid is 2.41 and assuming the density of vinegar to be 1.00 g/mL, what is
the percent dissociation of acetic acid in vinegar? (MW CH3COOH = 60.05 g.mol)
(a) 5.0% (b) 1.8% (c) 0,46% (d) 12.% (e) 0.023% (f) 3.3% (g) 6.9%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F939c0031-fd61-489f-968a-312e01684f97%2Ff242de38-6803-43b2-b44b-336ccb3cdb8c%2Fxfhyjlo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Chemistry
5. Calculate the pH after 0.100 mole of HCI(g) is bubbled through a buffer solution
prepared by mixing 42.0g of NH.Cle) (MW = 53.49 g/mol) with 300.0mL of 1.00M
NaOH(aq), all diluted to 1.00L. [Ka for NH 5.56 x 1010
15. Calculate the molar solubility of TICI(s) in 0.30 M NaCI(aq) at 25°C given Ksp=1.7 x 10*
for thallium chloride at this temperature. [HINT: TICI(s) + H o → TI() + C1" (aq)] (a)
6.9 x 10 M (b) 1.7 x 107M (c)1.2 x 10°M (d) 3.3 x 10 M (e)4.6 x 10°M (g) 6.8 x 10M
(d) 5.7 x 10 M
17. Calculate the pH of a solution made by titrating 10.0mL of 0.100M CH3COOH with
100.0mL of 0.100M NAOH(aq). [Ka for CH3COOH is 1.8 x 101 [HINT: Don't forget total
volume!!]
(a) 1.85 (b) 6.62 (c) 13.35 (f) 7.00 (e) 8.72 (d) 10.061 (g) 9.71 (b) 11.79
20. Vinegar is a 5.0% solution by weight of acetic acid (CH COOH) in water. Given that the
pH for acetic acid is 2.41 and assuming the density of vinegar to be 1.00 g/mL, what is
the percent dissociation of acetic acid in vinegar? (MW CH3COOH = 60.05 g.mol)
(a) 5.0% (b) 1.8% (c) 0,46% (d) 12.% (e) 0.023% (f) 3.3% (g) 6.9%
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