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3 cards from this section. Quick, good the night before a test.
What does the Approximation Method help simplify in equilibrium calculations?
Think about what happens when K is much less than 1.
State the 5% rule in relation to the Approximation Method.
Consider how 'x' relates to initial concentration.
When is the Approximation Method typically used?
Consider when it is more beneficial to simplify.
True or False: The Approximation Method is valid when 'x' is greater than 5% of the initial concentration.
Reflect on the 5% rule.
Consider the reaction where the equilibrium constant K = 0.002 and the initial concentration of A is 0.050 M. Apply the Approximation Method and verify if the approximation is valid. What are the values at equilibrium?
Review how K interacts with concentration in a reversible environment.
If K = 0.1 and the initial concentration is 0.200 M, analyze if the Approximation Method applies and solve for x accordingly.
Think carefully about the ratio of x to initial concentration when close to 5%.
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