Unit 6- using moles Flashcards
1
Q
mole equation
A
mass of 1 mole x number of moles = mass
2
Q
At room temperature and pressure, the volume of 1 mole of gas is_______
A
24dm cube
3
Q
24 dm cube is equal to _______ cm cube
A
24000
4
Q
mole equation for gas
A
number of moles x 24 dm cube = volume at rtp
5
Q
mole equation for concentration
A
concentration = mol / dm cube
6
Q
What is the empirical formula
A
the simplest ratio in which atoms combine
7
Q
How to calculate % yield
A
the actual mass obtained / expected mass by calculation then times by 100
8
Q
how to calculate % purity of a product
A
mass of the pure substance / total mass
then times by 100
