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The concentration of an aqueous solution...

The concentration of an aqueous solution of a weak monobasic acid is 1(M) and its degree of ionisation is 1.32%. Determine the pH of the solution.

Text Solution

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If the concentration of a weak monobasic acid solution and its degree of ionisation be c(M) and `alpha` respectively, then pH of the solution`=-log_(10)(calpha)`.
As, given in the question, `c=1(M)`
`therefore and alpha=(1.32)/(100)=1.32xx10^(-2)`.
`therefore pH` of 1(M) acid solution
`=-log_(10)(1xx1.32xx10^(-2))=1.88`
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