menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Chemistry
  3. Study Set
    Chemistry Study Set 2
  4. Exam
    Exam 17: Aqueous Ionic Equilibrium
  5. Question
    If the PKa of HCHO<sub>2</sub> Is 3
Solved

If the PKa of HCHO2 Is 3

Question 101

Question 101

Multiple Choice

If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.89,which of the following is TRUE?


A) [HCHO2] < [NaCHO2]
B) [HCHO2] = [NaCHO2]
C) [HCHO2] > [NaCHO2]
D) [HCHO2] >> [NaCHO2]
E) It is not possible to make a buffer of this pH from HCHO2 and NaCHO2.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q53: Calculate the percent ionization of nitrous acid

Q96: What is the molar solubility of calcium

Q97: A complex ion contains<br>A) a central nonmetal

Q98: Calculate the pH of a buffer that

Q99: Calculate the pH of a buffer that

Q100: When a diprotic acid is titrated with

Q102: A sample contains MgNH<sub>4</sub>(PO<sub>4</sub>)<sub>2</sub>,<sub> </sub>Sb<sub>2</sub>S<sub>3</sub>,KBr,Cr(OH)<sub>3</sub>,and PbCl<sub>2</sub>.Identify the

Q105: Determine the molar solubility of MgCO<sub>3</sub><sub> </sub>in

Q106: Give the equation for a supersaturated solution

Q107: A 25.0 mL sample of 0.150 M

Examlex

ExamLex

About UsContact UsPerks CenterHomeschoolingTest Prep

Work With Us

Campus RepresentativeInfluencers

Links

FaqPricingChrome Extension

Download The App

Get App StoreGet Google Play

Policies

Privacy PolicyTerms of ServiceHonor CodeCommunity Guidelines

Scan To Download

qr-code

Copyright © (2025) ExamLex LLC.

Privacy PolicyTerms Of ServiceHonor CodeCommunity Guidelines