Consider two separate 400.0mL aqueous solutions of calcium hydroxide and pyridine (pKb = 8.75). Each solution...

Question

Question

Consider two separate 400.0mL aqueous solutions of calcium hydroxide and pyridine (pKb = 8.75). Each solution has an initial concentration of 0.100M.

a) What is the initial pH of the calcium hydroxide solution?

b) What is the initial pH of the pyridine solution?

c) What is the pH of the calcium hydroxide solution after 30mL of 1.00M HCl is added to it?

d) What is the pH of the pyridine solution after an identical amount of HCl is added (1.00M)?

e) How much HCl is needed in order to completely neutralize the calcium hydroxide solution?

f) How much HCl is needed in order to completely neutralize the pyridine solution?

g) What is the pH of the calcium hydroxide solution at the equivalence point? Explain

h) What is the pH of the pyridine solution at the equivalence point?

Please show all steps

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Answer 1

Answer #1

Answer 2

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