C4 Stoichiometry Flashcards
1
Q
Moles x relative molar mass =
A
mass in grams
2
Q
mass in grams / moles =
A
relative molar mass
3
Q
10 moles of CO2 has a mass of 440g . What is the relative formula mass of CO2 ?
A
440/10 = 44g/mol
4
Q
mole x 24dm^3 =
A
volume
5
Q
volume / 24dm^3 =
A
mole
6
Q
Formula of molar concentration
A
Number of moles of solute / volume of solution
7
Q
Formula of gram concentration
A
mass of solute / volume of solution
8
Q
Formula of percentage yield
A
( Yield obtained x theoretical Yield ) X 100
9
Q
Definition of limiting reagent
A
Reactant which is not present in excess in a reaction .
L First to be used up which causes reaction to stop.
