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

Author Question: The Ka for formic acid (HCO2H) is 1.8 10-4. What is the pH of a 0.20 M aqueous solution of sodium ... (Read 130 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
on: Aug 27, 2018
The Ka for formic acid (HCO2H) is 1.8  10-4. What is the pH of a 0.20 M aqueous solution of sodium formate (NaHCO2)?
 
  A) 11.64
  B) 5.48
  C) 3.39
  D) 8.52
  E) 4.26

Question 2

CO (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 C. The total pressure in the container was ________ atm.
 
  A) 10.3
  B) 4.02
  C) 6.31
  D) 0.292
  E) 1.60
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Aug 27, 2018
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 29% of students answer this correctly


bclement10

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

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Formation of Sodium and Chloride Ions Formation of Sodium and Chloride Ions
sodium sodium
Citric Acid Cycle Citric Acid Cycle
Normal nerve conduction of Sodium ion Normal nerve conduction of Sodium ion
Paraboloid Solution Paraboloid Solution
What is the molarity (in mol/L) of the NaOH solution? What is the molarity (in mol/L) of the NaOH solution?
Video: Exercise and cardiac output

For a complete list of videos, visit our video library