18. Aqueous Equilibrium
Titrations: Diprotic & Polyprotic Buffers
Multiple Choice
Multiple ChoiceCalculate the pH of 75.0 mL of a 0.10 M of phosphorous acid, H3PO3, when 80.0 mL of 0.15 M NaOH are added. Ka1 = 5.0 × 10−2, Ka2 = 2.0 × 10−7.
A
7.12
B
1.35
C
6.88
D
12.65
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