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The pH of HCl solution is 2. When it is ...

The pH of HCl solution is 2. When it is diluted with equal volume of water, what is the pH of dilute acid solution ?

Text Solution

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Given pH of HCl solution = 2. Proton concentration of the solution `= 10^(-pH) =10^(-2) M`
When diluted with equal volume of water, the proton concentration
`[H^(+)]=(Vxx 10^(-2) )/(V+V) = 5 xx 10^(-3) । pH =- log (5 xx 10 ^(-3) =3- log =2.3.`
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