Chemitsry 5 Flashcards
1
Q
Mole
A
One mole of a substance in grams is numerically equal to the relative formula mass
2
Q
Percentage yield
A
Actual yield over theoretical yield times 100
3
Q
Indicator
A
A chemical that gives a colour change in acidic, alkaline and neutral solutions
4
Q
Base
A
A substance that reacts with an acid producing a salt and water
5
Q
Alkali
A
A soluble base
6
Q
Strong acid
A
Completely ionises in water into H+ ions
7
Q
Weak acid
A
Partially ionises in water into H+ ions
