Salts, Ksp, and Buffers
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Last updated 3:52 AM on 9/6/22
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17 Terms
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Buffer
compound that prevents sharp, sudden changes in pH
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A buffer is made of a ____ _____ and its _________ ____
Weak acid, Conjugate base
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When HCl (or any acid) is added to the buffer, it is going to react with the __________ ____.
Conjugate base
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When OH- (or any base) is added to the buffer, it reacts with the _____ ____
Weak acid
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Henderson-Hasselbalch equation
pH = pKa + log [B]/[A]
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Dissolution
to dissolve and dissociate
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NaI = Na+ +I-
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Precipitation
Combine and solidify out of a solution
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Na(aq) + CN (aq) = NaCN (s)
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Salt
Any substance that is a combination of an anion and a cation and creates a neutralized reaction
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True or False: Salts do not dissociate in water
False
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dissociation of a salt is the same as ___ __________ of a salt
The solubility
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Ksp
solubility product constant
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Q = Ksp
saturated solution
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Q > Ksp
supersaturated solution, precipitate will form
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Q < Ksp
unsaturated solution, no precipitate
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Le Chatelier's Principle
when stress is applied to a system at equilibrium, the system changes to relieve the stress
Note 
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