Strong & Weak Acids (Edexcel GCSE Chemistry Combined Science): Flashcards
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15 cards from this deck
What ions do acids release in water?
What ions do acids release in water?
ions and anions
Process when acids split into ions
Process when acids split into ions
Dissociation
How much do strong acids dissociate?
How much do strong acids dissociate?
Completely
pH level of strong acids
pH level of strong acids
Low pH
Examples of strong acids
Examples of strong acids
, ,
How much do weak acids dissociate?
How much do weak acids dissociate?
Partially
Is weak acid dissociation reversible?
Is weak acid dissociation reversible?
Yes, reversible
Equilibrium position in weak acids
Equilibrium position in weak acids
Far to the left
Example of a weak acid
Example of a weak acid
Ethanoic acid ()
pH of weak acids vs strong acids
pH of weak acids vs strong acids
Higher pH
Effect on pH when increases
Effect on pH when increases
pH decreases
pH change for 10-fold increase
pH change for 10-fold increase
Decreases by 1 unit
pH 1 to 3: change factor
pH 1 to 3: change factor
Decreases by factor of 100
What determines acid strength
What determines acid strength
Ability to dissociate in water
Definition of acid concentration
Definition of acid concentration
Amount of acid dissolved in solution