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What are `[H^(o+)], [A^(Theta)`, and `[B^(Theta)]` in a solution that is `0.3M HA` and `0.1M HB? K_(a)` for `HA` and `HB` are `1.38 xx 10^(-4)` and `1.05 xx 10^(-10)`, respectively.

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