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Question 1:
You were studying a 40.0000 mL buffer solution. You found that 7.0000 x 10-4 moles of acid were added to lower the pH by 1.0 pH unit. What is the buffering capacity of the buffer solution in mol/L)? Please do not include units in the answer.
Report your answer to 3 decimal places. (An answer of 20.35467 mol / L would be reported as 20.355 mol / L or and an answer of 0.24562 mol /L would be reported as 0.246 mol / L).
Question 2:
You are making up buffer solution that is KH2AsO4 (Molar mass = 180.03 g/mol). You added 10.0000 g of KH2AsO4 into 10.9000 L. What is the concentration of the stock buffer solution in mol / L? Please do not include units in the answer.
Question 3:
You have prepared a 8.5000 M solution. You pipet 245.6400 mL of this solution into a 4,240,000.0000 uL (microliter) volumetric flask. What is the concentration of the new solution? Please do not include units in the answer.
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
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