The analysis label on a 500 mL bottle of Fiji natural artesian water reports pH = 7.5 and 140 mg of bicarbonates, HCO3-. Calculate the pH expected as a result of the bicarbonates to see if these two numbers are consistent with each other. (Kb = 2.4 * 10-8 for HCO3-)
A) 7.5
B) 5.0
C) 9.6
D) 4.4
E) 9.0
Correct Answer:
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