Equations Flashcards
1
Q
What is the equation that links concentration, volume and moles?
A
Moles=concentration x volume
Concentration=moles/volume
Volume=moles/concentration
2
Q
What is the equation that links mass, Mr and moles?
A
Mass=Mr x moles
Mr= mass/moles
Moles=mass/Mr
3
Q
How many cm^3 are in 1dm^3?
A
1000cm^3
4
Q
What is the unit for concentration?
A
Mol/dm^3
5
Q
What is the unit for volume?
A
Dm^3
6
Q
What is the unit for mass?
A
G (grams)
7
Q
how are reacting mass calculations worked out?
A
1-Write balanced equation.
2-Convert mass to number of moles (Mass/Mr)
3-Find mole ratio from equation.
4-Convert number of moles to mass (Mr x mass)
