When 100ml of 0.4M \(CH{3}COOH\) is mixe...

When 100ml of 0.4M \(CH_{3}COOH\) is mixed with 100ml of 0.2M NaOH,the [H3O]+" in the solution is approximately "[Ka(CH3COOH)=\(1.8\times10^{-5}\)

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