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

Author Question: You have a 250.-mL sample of 1.04 M acetic acid (Ka = 1.8 105). Calculate the pH of the best buffer. (Read 48 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Mar 21, 2021

Question 1

You have 75.0 mL of 0.19 M HA. After adding 30.0 mL of 0.10 M NaOH, the pH is 5.50. What is the Ka value of HA?

◦ 3.2 × 10–6
◦ 8.4 × 10–7
◦ 0.27
◦ 6.7 × 10–7
◦ None of these are correct.

Question 2

You have a 250.-mL sample of 1.04 M acetic acid (Ka = 1.8 × 10–5). Calculate the pH of the best buffer.

◦ 7.00
◦ 4.74
◦ 4.15
◦ 9.26
◦ 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 joe on Mar 21, 2021

katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
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 55% of students answer this correctly


joe

  • Member
  • Posts: 627
Reply 2 on: Mar 21, 2021
Excellent

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

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

Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Sample prescriptions of antibiotics for prophylaxis against infective endocarditis. Sample prescriptions of antibiotics for prophylaxis against infective endocarditis.
pH vs. moles base added per mole acid pH vs. moles base added per mole acid
How to calculate simple interest (Part 3) How to calculate simple interest (Part 3)
How to calculate compound interest (Part 2) How to calculate compound interest (Part 2)
What is the strongest monoprotic acid of the following set if all the acids are at 0.100 M ... What is the strongest monoprotic acid of the following set if all the acids are at 0.100 M ...
Video: hGH (protein synthesis, growth and development)

For a complete list of videos, visit our video library