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Author Question: What is the percentage of neutral species in a 0.00500 M solution of pyridine at pH 9.50? pKa of ... (Read 57 times)

abc

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on: Aug 23, 2018
What is the percentage of neutral species in a 0.00500 M solution of pyridine at pH 9.50? pKa of pyridine is 5.25.
 a. 25
 b. 75
 c. 50
 d. nearly 100
 e. close to 0

Question 2

The pKa of diethylammonium ion is 10.98 . What is the pKb of diethylamine?
 a. 3.02
 b. 14.00
 c. 24.98
 d. 7.00


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14vl19

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Reply #1 on: Aug 23, 2018
Answer to Question 1

d

Answer to Question 2

a


abc

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Reply 2 on: Aug 23, 2018
Gracias!

ttt030911

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Reply 3 on: Yesterday
Excellent

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