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 25 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
YES! Correct, THANKS for helping me on my review


helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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.

For a complete list of videos, visit our video library