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nver7077 nver7077
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11 years ago
The PKa value of barbituric acid is 5. If  the H3O+ and barbiturate ion concentrations are each 0.0030M what is the concentration of the undissociated barbituric acid?
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wrote...
11 years ago
Ka = 10^-5 = ( 0.0030)^2 / X
X = 0.9 M
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