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a. What amount of H(2)SO(4) must be diss...

a. What amount of `H_(2)SO_(4)` must be dissolved in `500mL` of solution to have a `pH` of `2.15`?
b. What amount of `KOH` must be dissolved in `200mL` of solution to have a `pH` of `12.3`?
c. What amount of `ca(OH)_(2)` must be dissolved in `100mL` of solution to have a `pH` of `13.85`?

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