the pKa of the weak acid tha acid dissosciation constant, Ka of the monoprotic acid, HA

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
ChapterA1: Evaluation Of Analytical Data
Section: Chapter Questions
Problem A1.22QAP
icon
Related questions
icon
Concept explainers
Question

Chemistry

last 2 rows please. TYIA! 
Balanced Chemical Equation
NaOH + HA --> NaA + H2O
Details
volume (mL) of original unknown acid (HA) solution
volume (mL) of dilute unknown acid (HA) solution
volume (mL) of DUS titrated
average molarity of NaOH solution
final buret reading
initial buret reading
volume (mL) of the NaOH solution delivered
average volume (mL) of NaOH needed to reach end point
amount (mmoles) NaOH needed to reach the end point
molarity of dilute unknown solution (DUS)
molarity of original unknown acid (HA) solution
volume (mL) DUS titrated
volume (mL) of the NaOH solution to midpoint
the pH reading at midpoint
the pka of the weak acid
tha acid dissosciation constant, Ka of the monoprotic acid, HA
Trial 1
25
12.3 mL
12.3 mL
0.163
6.52 x 10^-4
6.52 x 10^-3
25
6.3 mL
2.66
Trial 2
25.00
250 mL
25
0.1 M
12.7 mL
0
12.7 mL
12.5667
0.1683
6.73 x 10^-4
6.73 x 10^-3
25
6.3 mL
2.64
Trial 3
25
12.7 mL
0
12.7 ml
0.1683
6.73 x 10^-4
6.73 x 10^-3
25
6.3 mL
2.65
Transcribed Image Text:Balanced Chemical Equation NaOH + HA --> NaA + H2O Details volume (mL) of original unknown acid (HA) solution volume (mL) of dilute unknown acid (HA) solution volume (mL) of DUS titrated average molarity of NaOH solution final buret reading initial buret reading volume (mL) of the NaOH solution delivered average volume (mL) of NaOH needed to reach end point amount (mmoles) NaOH needed to reach the end point molarity of dilute unknown solution (DUS) molarity of original unknown acid (HA) solution volume (mL) DUS titrated volume (mL) of the NaOH solution to midpoint the pH reading at midpoint the pka of the weak acid tha acid dissosciation constant, Ka of the monoprotic acid, HA Trial 1 25 12.3 mL 12.3 mL 0.163 6.52 x 10^-4 6.52 x 10^-3 25 6.3 mL 2.66 Trial 2 25.00 250 mL 25 0.1 M 12.7 mL 0 12.7 mL 12.5667 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 6.3 mL 2.64 Trial 3 25 12.7 mL 0 12.7 ml 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 6.3 mL 2.65
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Ionic Equilibrium
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
EBK A SMALL SCALE APPROACH TO ORGANIC L
EBK A SMALL SCALE APPROACH TO ORGANIC L
Chemistry
ISBN:
9781305446021
Author:
Lampman
Publisher:
CENGAGE LEARNING - CONSIGNMENT
Principles of Modern Chemistry
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning