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

Author Question: A certain acid, HA, has a Ka given by: HA + H2O H3O+ + A-Ka = 6.80 10-6 What is the pH of a 0.247 M ... (Read 23 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586

Question 1

A 7.0 × 10-3  mol L-1 aqueous solution of Ca(OH)2 at 25.0 °C has a pH of:
◦ 12.15
◦ 1.85
◦ 1.4 × 10-2
◦ 7.1 × 10-13
◦ 11.85

Question 2

A certain acid, HA, has a Ka given by:
HA + H2O H3O+ + A-Ka = 6.80 × 10-6

What is the pH of a 0.247 M aqueous solution of the acid's potassium salt, KA, which undergoes the hydrolysis reaction?
A- + H2O OH- + HA

◦ 4.72
◦ 9.28
◦ 4.11
◦ 9.89
◦ 9.44


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by mspears3 on Jul 8, 2021

Shshxj

  • Sr. Member
  • ****
  • Posts: 335
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 25% of students answer this correctly




mspears3

  • Member
  • Posts: 586
Reply 2 on: Jul 8, 2021
Excellent


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

For a complete list of videos, visit our video library