This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The [OH] in a 0.75 M pyridine (C5H5N; Kb = 1.7 109) solution is: (Read 49 times)

jho37

  • Hero Member
  • *****
  • Posts: 531
on: Mar 21, 2021

Question 1

The [H3O+] of a 0.90 M solution of NH4Cl in H2O at 25°C is (Kb for NH3 = 1.8 10–5):

◦ 5.0 × 10–10M.
◦ 4.0 × 10–3M.
◦ 2.2 × 10–5M.
◦ 0.90 M.
◦ None of these are correct.

Question 2

The [OH–] in a 0.75 M pyridine (C5H5N; Kb = 1.7 × 10–9) solution is:

◦ 1.3 × 10–9M.
◦ 3.6 × 10–5M.
◦ 0.75 M.
◦ 4.8 × 10–5M.
◦ None of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jho37 on Mar 21, 2021

smrerig

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


jho37

  • Member
  • Posts: 531
Reply 2 on: Mar 21, 2021
Excellent

steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Preparing solution of known Molarity Preparing solution of known Molarity
Solution to Exponent Law Problem Solution to Exponent Law Problem
Integral Solution Integral Solution
Business Math Question Solution Business Math Question Solution
lab solution lab solution
Which of the following is not a unit factor related to a 10.0% aqueous solution Which of the following is not a unit factor related to a 10.0% aqueous solution
Video: Atrophy

For a complete list of videos, visit our video library