Chapter 2- Concentration And Bases Flashcards
1
Q
What is concentration
A
The concentration of a solution is the amount of substance per unit volume of solvent
2
Q
What is the formula for concentration
A
Amount of substance
Concentration =. Volume
3
Q
What is the measurement of substance
A
The amount of substance is the mass measured in grams (g)
4
Q
What is the measurement for volume
A
The volume is measured in decimetres cubed (dm3)
5
Q
How is concentration measured
A
Concentration is measured in g/dm3 or gdm-3
Grams per decimetre cubed
6
Q
What are bases
A
A base is a substance which neutralises an acid to give salt and water only
Bases are metal oxides or hydroxides
ALKALIS ARE SOLUBLE BASES
7
Q
Formulas for bases
A
Base + acid -> Salt + Water
Metal Oxide + acid -> Salt + Water
Metal hydroxide + acid -> Salt + Water
