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whya re concentrations of [H+] and [A-] the same when using ka
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username5186414
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When you use ka=[H+][A-]/[HA], why do you assume the concentrations of H+ and A- are equal? If they are at equilibrium, shouldn't all the concentrations be equal?
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scimus63
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HA ------- A- + H+
they are present in equal concentrations since HA dissociates to give equal amounts of each ion!! 1:1 molar ratio
they are present in equal concentrations since HA dissociates to give equal amounts of each ion!! 1:1 molar ratio
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