2) Consider a water sample in a closed system with CT,CO3=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)?

2) Consider a water sample in a closed system with CT,CO3=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)?

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter21: The Chemistry Of The Main Group Elements

Section21.5: The Alkaline Earth Elements, Group 2a

Problem 1Q

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Question

2) Consider a water sample in a closed system with CT,CO3=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)?

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