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 44 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
on: Nov 18, 2019

Question 1

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? Ka =1.8 × 10-4 for formic acid.
◦ 5.48
◦ 8.52
◦ 11.94
◦ 2.06

Question 2

What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous hydrofluoric acid requires 30.00 mL of 0.400 mol L-1 NaOH? Ka = 6.76 × 10-4 for HF.
◦ 5.75
◦ 1.74
◦ 12.26
◦ 8.25
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by clmills979 on Nov 18, 2019

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Nov 18, 2019
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


clmills979

  • Member
  • Posts: 551
Reply 2 on: Nov 18, 2019
Gracias!

bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Base Pairing in DNA Is Complementary Base Pairing in DNA Is Complementary
Saturated fatty acid Saturated fatty acid
Weak valve springs will produce a normal reading at idle, but as engine speed increases, the needle ... Weak valve springs will produce a normal reading at idle, but as engine speed increases, the needle ...
Humburger is a good source of niacin , vitamin B6 and pantothenic acid Humburger is a good source of niacin , vitamin B6 and pantothenic acid
Set-Point Theory Set-Point Theory
Aging and Fluid, Electrolyte, and Acid-Base Homeostasis Aging and Fluid, Electrolyte, and Acid-Base Homeostasis
Video: Secretin (inhibiting gastric acid secretion), Cholecystokinin (fat digestion) & Cholecystokinin

For a complete list of videos, visit our video library