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

Author Question: When 2.4 102 mol of nicotinic acid (a monoprotic acid) is dissolved in 350 mL of water, the pH is ... (Read 108 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
on: Mar 21, 2021

Question 1

What is the pOH of pure water at 20oC? (Kw at 20oC = 6.87 × 10–15)

◦ 6.918
◦ 7.000
◦ 14.000
◦ 14.163
◦ 7.082

Question 2

When 2.4 × 10–2 mol of nicotinic acid (a monoprotic acid) is dissolved in 350 mL of water, the pH is 3.05. Calculate the Ka of nicotinic acid.

◦ 1.3 × 10–2
◦ 1.2 × 10–5
◦ 6.8 × 10–2
◦ 3.4 × 10–5
◦ None of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by daltonest1984 on Mar 21, 2021

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Mar 21, 2021
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 39% of students answer this correctly


daltonest1984

  • Member
  • Posts: 536
Reply 2 on: Mar 21, 2021
Excellent

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

White tiger in water at the Singapore Zoo White tiger in water at the Singapore Zoo
Hydrogen Bonding and the Properties of Water Hydrogen Bonding and the Properties of Water
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
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
Stable oxygen isotopes in water Stable oxygen isotopes in water
Planet Earth compared to all its water and air! Planet Earth compared to all its water and air!
Video: Metabolic Rate, Heat and Thermoregulation - response to heat and cold stresses

For a complete list of videos, visit our video library