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

Author Question: Calculate the pH of a solution that is 0.50 M in HF (Ka = 7.2 104) and 0.63 M in NaF. (Read 47 times)

tth

  • Hero Member
  • *****
  • Posts: 579

Question 1

Calculate the pH of a solution made by mixing 100.0 mL of 0.355 M NH3 with 100.0 mL of 0.100 M HCl. (Kb for NH3 = 1.8 10–5)

9.66
4.34
8.85
9.26
None of these are correct.

Question 2

Calculate the pH of a solution that is 0.50 M in HF (Ka = 7.2 10–4) and 0.63 M in NaF.

3.14
3.24
0.10
10.76
3.04


Related Topics

Need homework help now?

Ask unlimited questions for free

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

miss_1456@hotmail.com

  • Sr. Member
  • ****
  • Posts: 289
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 35% of students answer this correctly




tth

  • Member
  • Posts: 579
Reply 2 on: Mar 21, 2021
Gracias!


dawsa925

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library