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analytical chemistry. Given the following titration curve, what is the suitable indicator for this   titration?   a) thymolphthaline; pH range (9.3-10.5)   b) bromothymol blue; pH range (6.2-7.6) c) Thymol blue; pH range (1.2-2.8)   d) bromcresol green; pH range (4.1-5.4)   e) phenolphthalein; pH range (8.6-10.2)

analytical chemistry. Given the following titration curve, what is the suitable indicator for this   titration?   a) thymolphthaline; pH range (9.3-10.5)   b) bromothymol blue; pH range (6.2-7.6) c) Thymol blue; pH range (1.2-2.8)   d) bromcresol green; pH range (4.1-5.4)   e) phenolphthalein; pH range (8.6-10.2)

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 118CP: Malonic acid (HO2CCH2CO2H) is a diprotic acid. In the titration of malonic acid w ith NaOH,...
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analytical chemistry. Given the following titration curve, what is the suitable indicator for this

 

titration?

 

a) thymolphthaline; pH range (9.3-10.5)

 

b) bromothymol blue; pH range (6.2-7.6) c) Thymol blue; pH range (1.2-2.8)

 

d) bromcresol green; pH range (4.1-5.4)

 

e) phenolphthalein; pH range (8.6-10.2)

4- Given the following titration curve, what is the suitable indicator for this titration? a) thymolphthaline; pH range (9.3-10.5) b) bromothymol blue; pH range (6.2-7.6) c) Thymol blue; pH range (1.2-2.8) d) bromcresol green; pH range (4.1-5.4) e) phenolphthalein; pH range (8.6-10.2) c) 2.3 X103 d) 6.11x102 e) 7.4x10* » 5- Calculate the hydronium ion concentration of a 0.041 M propanoic acid C₂H₂COOH solution, Ka= 1.34 X10'³ a) 5.14x10-5 b) 2.66x10-6 c) Mixed crystal formation d) Peptization e) Digestion 6- The process in which an ion, atom or molecule join together to form a filterable solid is called: a) Coprecipitation b) Coagulation 25 volume of and added (m³) Calculate the solubility of Pb(IO3)2 solution in which the concentration of IO, is 0.05 M. Ksp for Pb(103)2 =3.2 x 10-¹3. a) 9.15 X107 b) 6.81 X10-11 c) 3.20X10-⁹ d) 1.28X10-10 e) 4.21 X10 8- Determine the Ksp of calcium fluoride (CaF₂), given that its molar solubility is 2.14 x 10* a) 9.98x10-12 b) 3.92x10-11 c) 5.42x10-10 d) 6.74x10-14
Transcribed Image Text:4- Given the following titration curve, what is the suitable indicator for this titration? a) thymolphthaline; pH range (9.3-10.5) b) bromothymol blue; pH range (6.2-7.6) c) Thymol blue; pH range (1.2-2.8) d) bromcresol green; pH range (4.1-5.4) e) phenolphthalein; pH range (8.6-10.2) c) 2.3 X103 d) 6.11x102 e) 7.4x10* » 5- Calculate the hydronium ion concentration of a 0.041 M propanoic acid C₂H₂COOH solution, Ka= 1.34 X10'³ a) 5.14x10-5 b) 2.66x10-6 c) Mixed crystal formation d) Peptization e) Digestion 6- The process in which an ion, atom or molecule join together to form a filterable solid is called: a) Coprecipitation b) Coagulation 25 volume of and added (m³) Calculate the solubility of Pb(IO3)2 solution in which the concentration of IO, is 0.05 M. Ksp for Pb(103)2 =3.2 x 10-¹3. a) 9.15 X107 b) 6.81 X10-11 c) 3.20X10-⁹ d) 1.28X10-10 e) 4.21 X10 8- Determine the Ksp of calcium fluoride (CaF₂), given that its molar solubility is 2.14 x 10* a) 9.98x10-12 b) 3.92x10-11 c) 5.42x10-10 d) 6.74x10-14
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