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

Author Question: The two acid dissociation constants for carbonic acid, H2CO3, are 4.3 107and 4.8 1011at 25C. The ... (Read 99 times)

wenmo

  • Hero Member
  • *****
  • Posts: 540

Question 1

The sodium salt, NaA, of a weak acid is dissolved in water; no other substance is added. Which of these statements (to a close approximation) is true?

[H+] = [A]
[H+] = [OH]
[A] = [OH]
[HA] = [OH]
None of these are correct.

Question 2

The two acid dissociation constants for carbonic acid, H2CO3, are 4.3 10–7and 4.8 10–11at 25ºC. The base constant, Kb, for HCO3is:

4.3 10–7.
4.8 10–11.
2.1 10–17.
2.3 10–8.
6.2 10–22.



Related Topics

Need homework help now?

Ask unlimited questions for free

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

karlss

  • Sr. Member
  • ****
  • Posts: 321
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




wenmo

  • Member
  • Posts: 540
Reply 2 on: Mar 21, 2021
Thanks for the timely response, appreciate it


amandanbreshears

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

For a complete list of videos, visit our video library