2.3 Amount of substance Flashcards
1
Q
Molar Mass =
A
mass / No. of moles
2
Q
Molecular formula
A
Shows the number and type of atoms in a compound
3
Q
Empirical formula
A
The simplest whole number ratio of atoms of each element present in a compound
4
Q
Concentration
A
No. of moles/volume
5
Q
Volume of gas
A
no. of moles * 24 (in dm^3)
6
Q
Ideal gas equation
A
pV = nRT
7
Q
% Yield
A
actual yield/theoretical yield * 100
8
Q
Atom Economy
A
Mr of useful products/Mr of total products
9
Q
Relative Formula Mass
A
The mass of a formula compared with 1/12th of the mass of an atom of carbon - 12
10
Q
The limiting reagent
A
The reactant that is not in excess
