Determination of Ksp of CaCO3 based on the measured pH and the following equations: CaCO3 (s) Ca 2+ + CO3²- [Ca][CO,¹] = K (1) CO3+H₂O HCO3 + OH [HCO, ][OH] K [CO,] K₂ HCO3 + H₂O H₂CO3 + OH = [H,CO,][OH] K [HCO,"] K₁ 2H₂O H3O* + OH* [H,O'][OH] = K₂, (2) (3)
Determination of Ksp of CaCO3 based on the measured pH and the following equations: CaCO3 (s) Ca 2+ + CO3²- [Ca][CO,¹] = K (1) CO3+H₂O HCO3 + OH [HCO, ][OH] K [CO,] K₂ HCO3 + H₂O H₂CO3 + OH = [H,CO,][OH] K [HCO,"] K₁ 2H₂O H3O* + OH* [H,O'][OH] = K₂, (2) (3)
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.1QAP
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Determination of Ksp value given concentration of Ca2+ is 7.72705 ppm, and pH =9.24, and chemical equations (some sort of derivation using these equations and above values is needed to calculate the Ksp value)
![Determination of Ksp of CaCO3 based on the measured pH and the following equations:
CaCO3 (s) Ca 2+ + CO3²-
[Ca ²+ ][CO,¹] = K
(1)
CO3+H₂O HCO3 + OH
[HCO, ][OH] K
(2)
[CO,2]
K₂
HCO3 + H₂O + H₂CO3 + OH
[H₂CO,][OH] K
[HCO,"]
=
K,
2H₂O → H3O+ + OH*
[H,O'][OH] = K
(3)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd6ff00b7-99bf-4ce5-aba5-37227360e39c%2Ffdfa9679-4f9a-4f56-bd75-64c3ed66f863%2Fgzeg8nl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Determination of Ksp of CaCO3 based on the measured pH and the following equations:
CaCO3 (s) Ca 2+ + CO3²-
[Ca ²+ ][CO,¹] = K
(1)
CO3+H₂O HCO3 + OH
[HCO, ][OH] K
(2)
[CO,2]
K₂
HCO3 + H₂O + H₂CO3 + OH
[H₂CO,][OH] K
[HCO,"]
=
K,
2H₂O → H3O+ + OH*
[H,O'][OH] = K
(3)
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