9 – Determining the Concentration of an Ammonia Solution (LC 2027) (Leaving Cert Chemistry): Flashcards
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Practise the cards
12 cards from this deck
Titration definition
Titration definition
Method to find unknown conc. using standard solution
Standard solution
Standard solution
Solution with known concentration
Reaction:
Reaction:
stoichiometric ratio
stoichiometric ratio
1:1
Ammonia in water forms
Ammonia in water forms
Ammonium hydroxide
Burette contains (ammonia titration)
Burette contains (ammonia titration)
HCl solution (known conc.)
Conical flask contains (ammonia titration)
Conical flask contains (ammonia titration)
Ammonia solution (unknown conc.)
Indicator for titration
Indicator for titration
Methyl orange
White tile purpose
White tile purpose
Makes colour changes easier to see
Methyl orange colour in basic conditions
Methyl orange colour in basic conditions
Yellow
Methyl orange colour at endpoint (acidic)
Methyl orange colour at endpoint (acidic)
Red/pink
Why multiple titrations needed
Why multiple titrations needed
For consistent, reliable results
