moles Flashcards
1
Q
what is a mole ?
A
a substance in its relative mass
2
Q
how do you find the mass ?
A
Mr x moles
3
Q
how do you find the moles?
A
mass / Mr
4
Q
what is one mole
A
6.02 x 10 to the power of 23
5
Q
what is concentrate
A
how many particals in g there are per leter
6
Q
cm 3 –> dm 3 how
A
divide by 1000
7
Q
m3 –> dm3 how ?
A
multiply by 1000
8
Q
solvent
A
a substance into which a soluble substance can dissolve
9
Q
solute
A
the specific substance that is being dissolved eg salt into water
