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EQUILIBRIUM
Question #31150
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Why is carbonic acid's Ka2 much smaller than its Ka1?
A. H₂CO₃ decomposes into CO₂ and H₂O
B. Ka2 refers to reverse reaction only
C. CO₃²⁻ is highly unstable
D. The second proton must be removed from a negatively charged HCO₃⁻ ion
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