Environmental engineers use alkalinity as a measure of the capacity of carbonate buffering systems in water samples:
Alkalinity (mol/L) = [HCO3−] + 2[CO32−] + [OH−] − [H+]
Find the alkalinity of a water sample that has a pH of 9.5, 26.0 mg/L CO 32−, and 65.0 mg/L HCO3−.
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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.