1.

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

Answer»

Solution :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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