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

Author Question: Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO2H) and 0.260 mol ... (Read 101 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO2H) and 0.260 mol of sodium formate (NaCO2H) in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77  10-4.
 
  A) 2.099
  B) 10.264
  C) 3.736
  D) 2.307
  E) 3.952

Question 2

In which of the following atoms is the 3s orbital closest to the nucleus?
 
  A) S
  B) Po
  C) Te
  D) Se
  E) P



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

catron30

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

C

Answer to Question 2

B




NClaborn

  • Member
  • Posts: 560
Reply 2 on: Aug 27, 2018
:D TYSM


raili21

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

 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

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?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

For a complete list of videos, visit our video library