Acids Bases And Ph Flashcards by Reece Webb

Q

What is an acid

A

Proton donor

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Q

What is a base

A

Proton acceptor

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Q

What is a conjugate acid base pair

A

Two species that can be interconverted by a proton transfer

Eg HCl -> H+ + Cl-

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Q

What is a hydronium ion

A

H3O+

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Q

What is a mono aspic acid

A

Can donate one H+

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Q

Want is a tri basic acid

A

Can donate 3 H+ eg H3PO4

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Q

Acid + metal ->

A

Salt + hydrogen

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Q

Acid + carbonate ->

A

Salt + water + carbon dioxide

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Q

Acid + base ->

A

Salt + water

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Q

Acid + alkali ->

A

Salt + water

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Q

What Ph is an Acid

A

Less than 7

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Q

What is the Ph calculation

A

-log((H+))

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Q

Calculation for H+

A

10 to the power of -Ph

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Q

Ph1 has how many more times H+ ions than Ph2

A

10 times

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Q

What does a strong acid do

A

Fully dissociate

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Q

What is Ka for a weak acid

Study These Flashcards

A

Ka= (H+) squared/ (ha)

Q

How to find Pka

Study These Flashcards

A

-log(Ka)

Q

Assumptions in weak acids

Study These Flashcards

A

A- =H+

Ha start= ha equilibrium

Q

Determining Ka

Study These Flashcards

A

Prepare weak acid of a known concentration

Measure using Ph meter

Q

What is the KW equation

Study These Flashcards

A

kW=(h+)X(OH-)

kW= (H+) squared

Q

How to find Ph of a base

Study These Flashcards

A

Ph= 14-POh