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

Author Question: If Ka for HCN is 6.15 1010, what is Kb for CN? Note: CN + H2O HCN + OH (Read 32 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
on: Mar 21, 2021

Question 1

If an acid, HA, is 18.1% dissociated in a 1.0 M solution, what is the Ka for this acid?

◦ 2.2 × 10–1
◦ 3.3 × 10–2
◦ 1.8 × 10–1
◦ 2.5 × 101
◦ None of these are correct.

Question 2

If Ka for HCN is 6.15 × 10–10, what is Kb for CN–?

  Note: CN– + H2O HCN + OH–    


◦ 6.15 × 10–24
◦ 6.15 × 104
◦ 1.63 × 10–5
◦ 1.23 × 10–9
◦ 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 imowrer on Mar 21, 2021

missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
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 56% of students answer this correctly


imowrer

  • Member
  • Posts: 514
Reply 2 on: Mar 21, 2021
:D TYSM

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa
Young male Pacific Walruses on Cape Pierce in Alaska. Note the variation in the curvature and orient Young male Pacific Walruses on Cape Pierce in Alaska. Note the variation in the curvature and orient
Female leopard in the Sabi Sands area of South Africa. Note the white spot on its tail, used for com Female leopard in the Sabi Sands area of South Africa. Note the white spot on its tail, used for com
The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c
Spinal cord plexuses. Note: Although there are seven cervical vertebrae, the first spinal nerve ... Spinal cord plexuses. Note: Although there are seven cervical vertebrae, the first spinal nerve ...
A promissory note for $600.OO dated January 15, 2017. requires an interest payment of $120 00 ... A promissory note for $600.OO dated January 15, 2017. requires an interest payment of $120 00 ...
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library