1.

1.2 of a monprotic acid HA, is titrated with 0.222 M NaOH solution. The pH of the solution is monitrored with pH meter. A portion of the titration curve is shown in the diagram. What is the pH of solution at the equivalence point?

Answer»

`3.50`
`7.00`
`8.40`
5

Answer :C


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