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AP Chemistry
Unit 7 – Equilibrium
Topic 7.12
Why is the common ion replaced with the molarity already present (ex. 3M of a salt) instead of 3 +/- nx (n represents the ratio multiplier)?
To avoid a complicated quadratic when solving.
To save time and take advantage of the 5% approximation and drastic simplification.
Because the difference is so small as to be negligible.
All of the above.
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AP Chemistry - 7.12 Common Ion Effect
Key terms
Molarity
Salt
Common Ion
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About Us
About Fiveable
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CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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