This topic contains a solution. Click here to go to the answer

Author Question: What volume of 0.0500 M sodium hydroxide should be added to 250. mL of 0.100 M HCOOH to obtain a ... (Read 59 times)

madimontg

  • Full Member
  • ***
  • Posts: 127

Question 1

What pH range is a HOCl – NaOCl buffer effective?
◦ pH 2.0 – pH 4.0
◦ pH 7.5 – pH 9.5
◦ pH 6.5 – pH 8.5
◦ pH 6.5 – pH 9.5
◦ pH 1.0 – pH 14.0

Question 2

What volume of 0.0500 M sodium hydroxide should be added to 250. mL of 0.100 M HCOOH to obtain a solution with a pH of 4.50?  [Ka(HCOOH) = 1.7 × 10–4]
◦ 540 mL
◦ 420 mL
◦ 80. mL
◦ 340 mL
◦ 500. mL


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by madimontg on Nov 5, 2023

Sha

  • Full Member
  • ***
  • Posts: 179
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




madimontg

  • Member
  • Posts: 127
Reply 2 on: Nov 5, 2023
Gracias!


matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

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

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

For a complete list of videos, visit our video library