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 140 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
Great answer, keep it coming :)

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

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?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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.

When the United States gets stuck over a controversial issue—usually something a divided Congress ca When the United States gets stuck over a controversial issue—usually something a divided Congress ca
Eric Bunge and Mimi Hoang, nARCHITECTS, New Aqueous City. Eric Bunge and Mimi Hoang, nARCHITECTS, New Aqueous City.
Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ... Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ...
Leading Sites of Cancer Deaths in the United States, 2013 Leading Sites of Cancer Deaths in the United States, 2013
Importance of intermediate states Importance of intermediate states
The Location and Number of Farms in the United States, 2012 The Location and Number of Farms in the United States, 2012
Video: Wound Care

For a complete list of videos, visit our video library