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 119 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
Thanks for the timely response, appreciate it

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Amino acid sequence of bovine insulin Amino acid sequence of bovine insulin
The amino acid sequences of whale myoglobin and the α and β chains of human hemoglobin The amino acid sequences of whale myoglobin and the α and β chains of human hemoglobin
Chemical similarities between para-aminobenzoic acid and sulfonamides. Chemical similarities between para-aminobenzoic acid and sulfonamides.
Ionic Equilibria - Weak Acid and their conjugate Base Ionic Equilibria - Weak Acid and their conjugate Base
The a-Oxidation Pathway for Phytanic Acid Oxidation The a-Oxidation Pathway for Phytanic Acid Oxidation
Base Levels Base Levels
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library