Consider a water sample in a closed system with Cr,c03-8x10-4 M and pH=8. a) What is the alkalinity of this water sample? b) How much acid is required to reduce the pH of the sample to 6 assuming no exchange of CO₂(g) with the atmosphere (i.e., the system stays closed)? c) What would be the pH of the sample if it came to equilibrium with the atmosphere (Pc02-10-3.5 atm)? Hint: recall that CO₂(g) → CO₂ (aq) has KH-10-¹.5 and [u,co;]= [co,(aq)].
Consider a water sample in a closed system with Cr,c03-8x10-4 M and pH=8. a) What is the alkalinity of this water sample? b) How much acid is required to reduce the pH of the sample to 6 assuming no exchange of CO₂(g) with the atmosphere (i.e., the system stays closed)? c) What would be the pH of the sample if it came to equilibrium with the atmosphere (Pc02-10-3.5 atm)? Hint: recall that CO₂(g) → CO₂ (aq) has KH-10-¹.5 and [u,co;]= [co,(aq)].
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability
Section20.7: Green Chemistry And Sustainability
Problem 2.1ACP: Assume that a sample of hard water contains 50. mg/L of Mg2+ and 150 mg/L of Ca2+, with HCO3 as the...
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Only part C please!!
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