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One strategy for dealing with the acidification of lakes is periodically to add powered limestone (CaCO3) to them, resulting in pH of 10.95. Calculate the Ca2+ concentration in the lake. CO2 in atmosphere 370 ppm KH,CO2 = 0.033 mol/(L∙atm) Ka1 = 10-6.3 Ka2 = 10-10.3 Ksp,CaCO3 = 4.57 x 10-9

One strategy for dealing with the acidification of lakes is periodically to add powered limestone (CaCO3) to them, resulting in pH of 10.95. Calculate the Ca2+ concentration in the lake. CO2 in atmosphere 370 ppm KH,CO2 = 0.033 mol/(L∙atm) Ka1 = 10-6.3 Ka2 = 10-10.3 Ksp,CaCO3 = 4.57 x 10-9

Introduction to Chemical Engineering Thermodynamics
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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One strategy for dealing with the acidification of lakes is periodically to add powered limestone (CaCO3) to them, resulting in pH of 10.95. Calculate the Ca2+ concentration in the lake.

CO2 in atmosphere 370 ppm

KH,CO2 = 0.033 mol/(L∙atm)

Ka1 = 10-6.3

Ka2 = 10-10.3

Ksp,CaCO3 = 4.57 x 10-9

Use ful eauations: LcOz cay) ] -X xPg. Kx= Henry's Law Co1stant, Py = Pantial Pressuve 2- 2- Charge Balance: +[OH] 2- to Ksp= [la" ] [cos ] –14
Transcribed Image Text:Use ful eauations: LcOz cay) ] -X xPg. Kx= Henry's Law Co1stant, Py = Pantial Pressuve 2- 2- Charge Balance: +[OH] 2- to Ksp= [la" ] [cos ] –14
Open – with solids gas CO2 (g) liquid CO2 (aq) HCO, Co,2- solid CaCÓ3(s) Examples: oceans/lakes/rivers
Transcribed Image Text:Open – with solids gas CO2 (g) liquid CO2 (aq) HCO, Co,2- solid CaCÓ3(s) Examples: oceans/lakes/rivers
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