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GAMSAT PREP: Chemistry > C1: Acids and bases > Flashcards

C1: Acids and bases Flashcards

1
Q

General equation for Acid dissociation?

A

HA + H20 ⇌ H30+A–

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2
Q

how to calculate Ka?

A

Ka = [H30+][A–]/[HA]

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3
Q

relationship between pKa and logKa?

A

pKa=logKa

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4
Q

how to calculate pH?

A

pH = -log[H3O+]

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5
Q

how to calculate pOH?

A

pOH = -log[OH–]

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6
Q

what is the Henderson-Hasselbach equation for all buffer solutions?

A

pH = pKa + log [A–] [HA]

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7
Q

2 equations for the ionic products of water?

A
  • Kw= [OH–][H30+] = 10−14

pKw = pH + pOH = 14

BOTH at 298K

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GAMSAT PREP: Chemistry (2 decks)

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