This topic contains a solution. Click here to go to the answer

Author Question: What is the percentage of neutral species in a 0.00500 M solution of pyridine at pH 9.50? pKa of ... (Read 23 times)

abc

  • Hero Member
  • *****
  • Posts: 543
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

14vl19

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

d

Answer to Question 2

a




abc

  • Member
  • Posts: 543
Reply 2 on: Aug 23, 2018
Excellent


coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

For a complete list of videos, visit our video library