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

Author Question: Calculate the pH of a 0.021 M NaCN solution. [Ka(HCN) = 4.9 1010] (Read 26 times)

ninaj

  • Full Member
  • ***
  • Posts: 136

Question 1

Calculate the pH of 2.6 × 10–2 M KOH.
◦ 12.41
◦ 15.59
◦ 2.06
◦ 7.00
◦ 1.59

Question 2

Calculate the pH of a 0.021 M NaCN solution.  [Ka(HCN) = 4.9 × 10–10]
◦ 1.68
◦ 3.18
◦ 5.49
◦ 7.00
◦ 10.82


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by ninaj on Nov 5, 2023

brunoanthony

  • Full Member
  • ***
  • Posts: 169
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




ninaj

  • Member
  • Posts: 136
Reply 2 on: Nov 5, 2023
:D TYSM


AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

For a complete list of videos, visit our video library