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more buffer questions

verania
in Chemistry

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how do i do the next problem

 

get the pH of a mixture containing .100 M (CH3CH2COOH) nad .100 M CH3CH2COONa

In both this and prev questions you need the pKa of propanoic acid. For this question, you also need the buffer formulae, which is pH = pKa + log [base]/[Acid].

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