Acids Flashcards
(8 cards)
1
Q
What is an acid?
A
Proton donor
Releases H+ ions in aqueous solution
2
Q
What is a base?
A
Proton acceptors
Neutralise acids to form salts
3
Q
What is a strong acid?
A
A proton donor that completely dissociates in aqueous solution
4
Q
What is a weak acid?
A
A proton donor that only partially dissociates in aqueous solution
5
Q
What is an alkali?
A
A base that dissolves in water to release OH- ions
6
Q
What is neutralisation?
A
When an acid reacts with a base to form a salt and a water
7
Q
What is a salt?
A
The H+ ions from the acid are replaced by metal ions or ammonium ions
8
Q
What can titrations be used for?
A
- finding the concentration of an unknown solution
- identify unknown compounds
- determine percentage purity