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

Author Question: Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO2H) and 0.260 mol ... (Read 106 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


NClaborn

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

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Conjugate acid-base pairs consist of a proton donor and a proton acceptor Conjugate acid-base pairs consist of a proton donor and a proton acceptor
The titration curve of phosphoric acid (H3PO4), a common buffer in biological sy The titration curve of phosphoric acid (H3PO4), a common buffer in biological sy
. Calculate the net electric field at point B . Calculate the net electric field at point B
Oleic acid Oleic acid
An aqueous solution has a normal boiling point of 103.0C. What is the freezing point of this ... An aqueous solution has a normal boiling point of 103.0C. What is the freezing point of this ...
calculate the quantities required to make 5 lb of hydrophilic ointment: calculate the quantities required to make 5 lb of hydrophilic ointment:
Video: Sigmoidoscopy

For a complete list of videos, visit our video library