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2 cards from this section. Quick, good the night before a test.
What does Kohlrausch's Law state?
Think about how ions behave in a fully diluted solution.
Define molar conductivity.
Consider what influences the ability of an electrolyte to conduct electricity.
What is Kohlrausch's Law used for?
Remember the focus of the law is on electrolytes and conduction.
True or False: The degree of dissociation indicates how completely an electrolyte breaks down into ions in solution.
Think about what happens when an electrolyte is added to water.
A weak electrolyte shows a molar conductivity of 12 S·m²/mol at a certain concentration and has a known Λ∞ of 60 S·m²/mol. What is the degree of dissociation?
Use the degree of dissociation formula!
If you have two electrolytes, A with λ+ = 30 S·m²/mol and λ- = 70 S·m²/mol, and B with λ+ = 50 S·m²/mol and λ- = 50 S·m²/mol. Which one has the higher total molar conductivity at infinite dilution?
Add the contributions from each.
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