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

Author Question: What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of ... (Read 58 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jul 8, 2021

Question 1

What is the [H3O+] of an aqueous solution measured to be 0.20 M in sodium acetate and 0.40 M in acetic acid? (Ka = 1.8 × 10-5)
◦ 1.8 × 10-5 M
◦ 9.0 × 10-6 M
◦ 3.6 × 10-5 M
◦ 7.2 × 10-5 M
◦ 4.7 M

Question 2

What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid (HCOOH) requires 29.80 mL of 0.3567 mol L-1 NaOH(aq)? Ka =1.8 × 10-4for formic acid.
◦ 2.06
◦ 5.48
◦ 8.52
◦ 11.94
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 NguyenJ on Jul 8, 2021

14vl19

  • Sr. Member
  • ****
  • Posts: 310
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 39% of students answer this correctly


NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Your Culture and Your Point of View Your Culture and Your Point of View
Unusual base pairings in tRNA: (a, b) Some unusual pair matches Unusual base pairings in tRNA: (a, b) Some unusual pair matches
The Structure of an Amino Acid The Structure of an Amino Acid
Four-point scale for grading edema Four-point scale for grading edema
Strong religious beliefs appears to be positively associated with elderly health and wellbeing Strong religious beliefs appears to be positively associated with elderly health and wellbeing
The consequences of base-pair substitutions The consequences of base-pair substitutions
Video: Wound Cultures

For a complete list of videos, visit our video library