A 24.2 mL sample of 0.356 M methylamine , CH3NH, , is titrated with 0.303 M nitric acid. (1) Before the addition of any nitric acid , the pH is| (2) After adding 12.0 mL of nitric acid, the pH is (3) At the titration midpoint, the pH is | (4) At the equivalence point, the pH is [ (5) After adding 44.4 mL of nitric acid , the pH is
A 24.2 mL sample of 0.356 M methylamine , CH3NH, , is titrated with 0.303 M nitric acid. (1) Before the addition of any nitric acid , the pH is| (2) After adding 12.0 mL of nitric acid, the pH is (3) At the titration midpoint, the pH is | (4) At the equivalence point, the pH is [ (5) After adding 44.4 mL of nitric acid , the pH is
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:A 24.2 mL sample of 0.356 M methylamine, CH3NH, , is titrated with 0.303 M nitric acid.
(1) Before the addition of any nitric acid , the pH is|
(2) After adding 12.0 mL of nitric acid, the pH is
(3) At the titration midpoint, the pH is
(4) At the equivalence point, the pH is [
(5) After adding 44.4 mL of nitric acid , the pH is
Use the References for any equilibrium constants that are required.
Fundamental Constants
Name
Symbol
Value
Avogadro's Number
6.022 x 1023 mol
Boltzmann's Constant
1.381 - 102 1Ki
Electron Charge
1.602 x 1019C
Faraday's Constant
F= Ne 9.649 x 10 C mol electrons
8.314 J mol K
Ideal Gas Constant
R Nk
0.08206 L atm molK
8.314 L kPa moK
Planck's Constant
6.626 x 101s
Rydberg Constant
1097 x 10' m!
Speed of Light (in vacuum)
2.998 - 10 ms
Standard Acceleration (due te gravity)
9.807 m
6.674 10m kg'?
8.854 x 102cr m
Universal Gravitational Constant
Vacuum Permittvity
40
Mass of Electron
9.109 x 10 kg
Mass of Neutron
1675 x 1027 kg
Mass of Proton
1.673 x 1027 kg
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