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 153 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

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Biosynthesis of N-acetylneuraminic acid (sialic acid) from UDP-N-acetylglucosamine Biosynthesis of N-acetylneuraminic acid (sialic acid) from UDP-N-acetylglucosamine
Acid–Base Balance Acid–Base Balance
Integral Solution Integral Solution
What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ... What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ...
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl
Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid. Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid.
Video: Medullary osmotic gradient - influencing factors

For a complete list of videos, visit our video library