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Chem 132 Exam 3 Revision Test Questions All Answered Correct 2025.

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buffer - Answer A buffer is an aqueous solution containing a weak acid and its conjugate base or a weak base and its conjugate acid -minimizes change in pH when OH- or H+ added -WA will consume added OH- (NH4) -WB will consume added H+ (NH3) pH<pKa - Answer more acid in solution pH=pKa - Answer at equilibrium pH>pKa - Answer more base in solution complete reaction - Answer k=oo salt dissociation SA SB A/B reaction that forms salt into h20 partial dissociation - Answer k<<1 WB in h20 WA in h20 buffer pH curve - Answer pH= - Answer pKa + log (A-/HA) pKa = - Answer -log(Ka) solubility "S" - Answer max amount salt that dissolves in 1L

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Institution
Chem 132
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Chem 132

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Written in
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Chem 132 Exam 3 Revision Test
Questions All Answered Correct 2025.
buffer - Answer A buffer is an aqueous solution containing a weak acid and its conjugate base
or a weak base and its conjugate acid



-minimizes change in pH when OH- or H+ added



-WA will consume added OH- (NH4)

-WB will consume added H+ (NH3)



pH<pKa - Answer more acid in solution



pH=pKa - Answer at equilibrium



pH>pKa - Answer more base in solution



complete reaction - Answer k=oo

salt dissociation

SA

SB

A/B reaction that forms salt into h20



partial dissociation - Answer k<<1

WB in h20

WA in h20

buffer



pH curve - Answer



pH= - Answer pKa + log (A-/HA)

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