conductance (Λm = 1000 κ / c) for each concentration and then use Ostwald's Dilution Law Molarity c (mol / L) Conductivity κ (Ω^-1*cm^-1) 0.010 1.5590 x 10^-4 0.05 3.5939 x 10^-4 0.1 5.0610 x 10^-4 ANSWER: values close to 1.7 x 10^-5 I need the calculations to show how to obtain this value
In an experiment to check chemical balance, measurements of electrical conductivity (κ) were made of acid solutions in different concentrations, as shown in the table below. From these data, show that the acetic acid dissociation equilibrium constant is really a constant, that is, it has the same value for any acetic acid solution at a given temperature. The data were collected at 25 oC. The limit molar conductance of the acetic acid solution is Λ0 = 390.71 Ω^-1*cm^2 / mol.
Suggestion: calculate the molar conductance (Λm = 1000 κ / c) for each concentration and then use Ostwald's Dilution Law
| Molarity c (mol / L) | Conductivity κ (Ω^-1*cm^-1) |
| 0.010 | 1.5590 x 10^-4 |
| 0.05 | 3.5939 x 10^-4 |
| 0.1 | 5.0610 x 10^-4 |
ANSWER: values close to 1.7 x 10^-5
I need the calculations to show how to obtain this value
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
