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

Author Question: Calculate the pH of a 0.021 M NaCN solution. [Ka(HCN) = 4.9 1010] (Read 47 times)

ninaj

  • Full Member
  • ***
  • Posts: 136
on: Nov 5, 2023

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
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


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
Reply #1 on: Nov 5, 2023
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
Great answer, keep it coming :)

cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

How to calculate annuity when compounded semi-annually (Part 1) How to calculate annuity when compounded semi-annually (Part 1)
How to calculate present value using the compound interest formula (Question 2) How to calculate present value using the compound interest formula (Question 2)
Function, even or odd, solution Function, even or odd, solution
Balance the given redox reduction equation in basic solution using the half reaction method Balance the given redox reduction equation in basic solution using the half reaction method
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ... A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ...
Video: Random alignment at Metaphase I Animation

For a complete list of videos, visit our video library