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A Level Chemistry Units 3+4 > 4.4.3: The acid dissociation constant > Flashcards

4.4.3: The acid dissociation constant Flashcards

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1
Q

The acid dissociation constant

A

Ka

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2
Q

Units of Ka

A

moldm-3

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3
Q

Ka equation

A

Ka = [H+][A-]/[HA]

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4
Q

Simplified Ka equation for weak acids

A

Ka = [H+]2 /[HA]

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5
Q

The logarithmic constant

A

pKa

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6
Q

pKa equation

A

-log10 (Ka)

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7
Q

Ka equation including pka

A

Ka= 10(-pka)

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A Level Chemistry Units 3+4 (34 decks)

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