An analytical chemist is titrating 64.8mL of a 0.3000M solution of ammonia NH3 with a 0.7300M solution of HNO3 . The pKb of ammonia is 4.74 . Calculate the pH of the base solution after the chemist has added 31.6mL of the HNO3 solution to it.
An analytical chemist is titrating 64.8mL of a 0.3000M solution of ammonia NH3 with a 0.7300M solution of HNO3 . The pKb of ammonia is 4.74 . Calculate the pH of the base solution after the chemist has added 31.6mL of the HNO3 solution to it.
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 8ALQ: You have a solution of the weak acid HA and add some of the salt NaA to it. What are the major...
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Question
An analytical chemist is titrating
64.8mL
of a
0.3000M
solution of ammonia
NH3
with a
0.7300M
solution of
HNO3
. The
pKb
of ammonia is
4.74
. Calculate the pH of the base solution after the chemist has added
31.6mL
of the
HNO3
solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of
HNO3
solution added.
Round your answer to
2
decimal places.
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