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

Author Question: A handbook states that to prepare a particular buffer solution mix 63.0 mL of 0.200 M aqueous ... (Read 142 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 8, 2021

Question 1

A handbook states that to prepare a particular buffer solution mix 39.0 mL of 0.20 M aqueous NaH2PO4 with 61.0 mL of 0.20 M aqueous Na2HPO4. What will be the pH of this buffer? For phosphoric acid   Ka2= 6.2 × 10-8
◦ 7.2
◦ 7.4
◦ 7.0
◦ 6.8
◦ 6.6

Question 2

A handbook states that to prepare a particular buffer solution mix 63.0 mL of 0.200 M aqueous HC2H3O2 with 37.0 mL of 0.200 M aqueous NaC2H3O2. What is the pH of this buffer? (Ka = 1.8 × 10-5)
◦ 4.74
◦ 4.51
◦ 4.98
◦ 5.33
◦ 7.00
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by anshika on Jul 8, 2021

courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 8, 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 25% of students answer this correctly


anshika

  • Member
  • Posts: 510
Reply 2 on: Jul 8, 2021
Gracias!

jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Feral pigs in the United States (here Cape Canaveral, Florida) Feral pigs in the United States (here Cape Canaveral, Florida)
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
Ten Leading Causes of Death in the United States, 2010. Ten Leading Causes of Death in the United States, 2010.
A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ... A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ...
What is the pH of an aqueous solution if the [H+] = 0.000 000 075 M? What is the pH of an aqueous solution if the [H+] = 0.000 000 075 M?
What is the pH of the solution? What is the pH of the solution?
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

For a complete list of videos, visit our video library