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OpenStudy (anonymous):
A 1.0 M H¿S solution has a pH = 3.75 at equilibrium. What is the value of Ka?
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OpenStudy (aaronq):
write the dissociation for the substance, write an equilibrium expression, like this: \(aA + bB \rightleftharpoons cC \) \(K_A=\dfrac{[C]^c}{[A]^a[B]^b}\) sub in your values and solve for \(K_A\)
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