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How much water (in L) should be added to 10g `CH_(3)COOH` to given `pOH` equal to 11. `K_(a)(CH_(3)COOH) = 1.8 xx10^(-5)`

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Calculate pH of 10^(-6) M acetic acid solution , if K_(a) (CH_(3)COOH) = 1.80xx10^(-5) .

Calculate the pH of each of the following solution (i) 100 ml of 0.1 M CH_(3)COOH mixed with 100 ml of 0.1 M NaOH. (ii) 100 ml of 0.1 M CH_(3)COOH mixed with 50 ml of 0.1 m NaOH (iii) 50 ml of 0.1 M CH_(3)COOH mixed with 100 ml of 0.1 M NaOH. K_(a)(CH_(3)COOH)=1.8xx10^(-5)

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