A hypothetical weak acid ha ws combined wih naoh in he, Ask an Expert

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A hypothetical weak acid, HA, ws combined wih NaOH in he following proporions: .2 mol of HA, .08 ml of NaOH. The mixture was diluted o a total volume of 1.0 L and the pH measured. a) if pH= 4.80, what is the pKa of the acid? b) How many moles of NaOH shold be added to the solution to increase the pH to 5.00?

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