25. Answer the following questions in order to find the conditions under which Cd2+ and Zn2+ can, in theory, be separated quantitatively with H2S from a solution that is 0.1 M in each cation. (We consider a precipitation to be quantitative when all but 1 part in 1000 of the ion has been removed from the solution.) Ksp for ZnS = 1,2x10^-23 Ksp for CdS = 1,08x10^-28 K1 = 9.6 x 10^-8 K2 = 1.3 x 10^-14 Find the [H30+] to start precipitation of Zn2+ cations?
25. Answer the following questions in order to find the conditions under which Cd2+ and Zn2+ can, in theory, be separated quantitatively with H2S from a solution that is 0.1 M in each cation. (We consider a precipitation to be quantitative when all but 1 part in 1000 of the ion has been removed from the solution.) Ksp for ZnS = 1,2x10^-23 Ksp for CdS = 1,08x10^-28 K1 = 9.6 x 10^-8 K2 = 1.3 x 10^-14 Find the [H30+] to start precipitation of Zn2+ cations?
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![25. Answer the following questions in order to find the conditions under which Cd2+ and Zn2+ can,
in theory, be separated quantitatively with H2S from a solution that is 0.1 M in each cation. (We
consider a precipitation to be quantitative when all but 1 part in 1000 of the ion has been
removed from the solution.)
Ksp for ZnS = 1,2x10^-23
Ksp for CdS = 1,08x10^-28
K1 = 9.6 x 10^-8
K2 = 1.3 x 10^-14
Find the [H3O+] to start precipitation of Zn2+ cations?
0.50 M
1.00 M
1.50 M
2.00 M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F973d9585-dcb5-4074-831b-ed38ea76fe6e%2F1d793e24-c8ad-47e6-a235-d4e2f8f1d5fa%2Fkpiwdsj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:25. Answer the following questions in order to find the conditions under which Cd2+ and Zn2+ can,
in theory, be separated quantitatively with H2S from a solution that is 0.1 M in each cation. (We
consider a precipitation to be quantitative when all but 1 part in 1000 of the ion has been
removed from the solution.)
Ksp for ZnS = 1,2x10^-23
Ksp for CdS = 1,08x10^-28
K1 = 9.6 x 10^-8
K2 = 1.3 x 10^-14
Find the [H3O+] to start precipitation of Zn2+ cations?
0.50 M
1.00 M
1.50 M
2.00 M
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