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EQUILIBRIUM
Question #31111
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Question
What does Ka2 represent for a diprotic acid H2X?
A. Ka2={[H+][HX-]}/[H2X]
B. Ka2={[H+][X2-]}/[HX-]
C. Ka2=[H+]/[H2X]
D. Ka2=[X2-]/[HX-]
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