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What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?
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To determine the minimum pH required to prevent the precipitation of ZnS in a solution of 0.01 M ZnCl2, we need to consider the solubility product constant (Ksp) of ZnS.
The solubility product constant (Ksp) is a measure of the equilibrium concentration of ions in a saturated solution. For ZnS, the Ksp expression is:
Ksp = [Zn2+][S2-]
The solubility of ZnS will depend on the concentration of Zn2+ and S2- ions in the solution. In this case, the concentration of Zn2+ is given as 0.01 M.
To prevent the precipitation of ZnS, the product of the concentrations of Zn2+ and S2- ions should be less than or equal to the Ksp value. In other words:
[Zn2+][S2-] ≤ Ksp
Since the concentration of Zn2+ is given as 0.01 M, the concentration of S2- can be calculated by rearranging the equation:
[S2-] ≤ Ksp / [Zn2+]
Now, we need to determine the Ksp value for ZnS. The Ksp value for ZnS is 1.6 x 10^-25.
[S2-] ≤ (1.6 x 10^-25) / (0.01)
[S2-] ≤ 1.6 x 10^-23 M
Therefore, the minimum concentration of S2- ions required to prevent the precipitation of ZnS is 1.6 x 10^-23 M.
To calculate the minimum pH required, we need to know the pKa value of the acidic species that produces S2- ions in the solution. The pKa value represents the acidity of an acidic species. Without this information, it is not possible to determine the specific pH required to prevent ZnS precipitation.
The solubility product constant (Ksp) is a measure of the equilibrium concentration of ions in a saturated solution. For ZnS, the Ksp expression is:
Ksp = [Zn2+][S2-]
The solubility of ZnS will depend on the concentration of Zn2+ and S2- ions in the solution. In this case, the concentration of Zn2+ is given as 0.01 M.
To prevent the precipitation of ZnS, the product of the concentrations of Zn2+ and S2- ions should be less than or equal to the Ksp value. In other words:
[Zn2+][S2-] ≤ Ksp
Since the concentration of Zn2+ is given as 0.01 M, the concentration of S2- can be calculated by rearranging the equation:
[S2-] ≤ Ksp / [Zn2+]
Now, we need to determine the Ksp value for ZnS. The Ksp value for ZnS is 1.6 x 10^-25.
[S2-] ≤ (1.6 x 10^-25) / (0.01)
[S2-] ≤ 1.6 x 10^-23 M
Therefore, the minimum concentration of S2- ions required to prevent the precipitation of ZnS is 1.6 x 10^-23 M.
To calculate the minimum pH required, we need to know the pKa value of the acidic species that produces S2- ions in the solution. The pKa value represents the acidity of an acidic species. Without this information, it is not possible to determine the specific pH required to prevent ZnS precipitation.
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What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?
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What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?.
What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?.
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