Question: A solution is made by adding 10-2.5 M HOCl and 10-3 M NaPr to water. Then NaOH is added until the solution pH is 9.

A solution is made by adding 10-2.5 M HOCl and 10-3 M NaPr to water. Then NaOH is added until the solution pH is 9. How much NaOH must be added in mg/L? (20 Pts) (Na: 23 g/mole, O: 16 g/mole, H: 1 g/mole) (pKa1=7.60 for HOCl and pKa1=4.87 for HPr.) Please do the solution correctly. I asked the same question before, but the wrong solutions came. Please don't solve if you don't know for sure.

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