Question $3(1$ point$)$

You have an aliquot of $10mL$ of $0\mathrm{.}1065mo\frac{l}{L}$ phosphoric acid. The ka values for phosphoric acid are $6\mathrm{.}9**10-3,6\mathrm{.}2**10-8$ and $4\mathrm{.}8**10-13.$ If you mix $25mL$ of $0\mathrm{.}1048mo\frac{l}{L}$NaOH what is the resultant $pH?$

Answer to two decinal places.

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