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

Author Question: Determine the pH of a 0.22 mol L-1 NaF solution at 25 C. The Ka of HF is 3.5 10-5. (Read 59 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
on: Nov 18, 2019

Question 1

Determine the pH of a 0.62 mol L-1 NH4NO3 solution at 25 °C. The Kb for NH3 is 1.76 × 10-5.
◦ 4.73
◦ 11.52
◦ 2.48
◦ 9.45
◦ 9.27

Question 2

Determine the pH of a 0.22 mol L-1 NaF solution at 25 °C. The Ka of HF is 3.5 × 10-5.
◦ 5.10
◦ 11.44
◦ 10.20
◦ 8.90
◦ 2.56
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by HCHenry on Nov 18, 2019

emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Nov 18, 2019
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 45% of students answer this correctly


HCHenry

  • Member
  • Posts: 591
Reply 2 on: Nov 18, 2019
Excellent

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Solution (Polynomial Long Division) Solution (Polynomial Long Division)
Characteristics of the individual determine (a) whether they will be exposed to certain stressors ... Characteristics of the individual determine (a) whether they will be exposed to certain stressors ...
An old set of christmas tree lights have 30 lights, 20.6~ each in a series alignment. Determine ... An old set of christmas tree lights have 30 lights, 20.6~ each in a series alignment. Determine ...
Algebraically determine the exact value of sin(-π/6)+cos (7 π/4) Algebraically determine the exact value of sin(-π/6)+cos (7 π/4)
How to calculate the DRT to determine which is more effective against the pathogen How to calculate the DRT to determine which is more effective against the pathogen
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: How a Urinalysis is Performed

For a complete list of videos, visit our video library