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

Author Question: How many grams of pyridine are there in 100 mL of an aqueous solution that has a pH of 9.00? The Kb ... (Read 362 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
on: Feb 15, 2020

Question 1

Determine the ammonia concentration of an aqueous solution that has a pH of 11.50. The equation for the dissociation of NH3 (Kb = 1.8 × 10-5) is

NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH-(aq).


◦ 0.55 M
◦ 2.5 M
◦ 5.7 × 10-3 M
◦ 3.2 × 10-3 M

Question 2

How many grams of pyridine are there in 100 mL of an aqueous solution that has a pH of 9.00? The Kb for pyridine is 1.9 × 10-9 and the equation of interest is

C5H5N(aq) + H2O(l) ⇌ C5H5NH+(aq) + OH-(aq).


◦ 0.79 g
◦ 0.053 g
◦ 0.42 g
◦ 7.9 g
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by RYAN BANYAN on Feb 15, 2020

ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Feb 15, 2020
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 55% of students answer this correctly


Noor Noorg

  • Newbie
  • *
  • Posts: 1
Reply #2 on: Jan 17, 2022
Thank you


collegeotter

  • Newbie
  • *
  • Posts: 1
Reply #3 on: Mar 23, 2022
thank you


« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Solution (Polynomial Long Division) Solution (Polynomial Long Division)
Delta Method Solution Delta Method Solution
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ... The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ...
What is the freezing point of a solution of 2.86 g MgCl2 in 100 g of water? Kf for water is ... What is the freezing point of a solution of 2.86 g MgCl2 in 100 g of water? Kf for water is ...
What is the concentration, in mg/ml, of a solution containing 2mEq/ml of potassium chloride? What is the concentration, in mg/ml, of a solution containing 2mEq/ml of potassium chloride?
What is the pH of the solution? What is the pH of the solution?
Video: Knee Animation

For a complete list of videos, visit our video library