Midterm Policies. Location: No Calculators Bring IDs Restroom Policy: Bring exam up to TA 1person gone at a time Come up to TA to ask a question. Office Hour Changes: in 4077A Young Hall. This week ONLY Canceled: Fri 10-11am Additional: Thurs 4-6pm. Weak Acids.
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The weak acid H3PO4has 3 ionizablehydrogens, with the pKas: 2.15, 6.82, 12.38
draw the titration curve for: H+ vs pH
you make a solution by adding 0.5moles of HPO42- and 0.1 moles of PO43- to 1 Liter of water
What is the pH of the solution? Is it a good buffer?
You add 0.3 moles of NaOH.
What is the new pH of the solution?
Is it still a good buffer?