Quantitive Chemistry Flashcards
1
Q
Moles
A
mass / mr
2
Q
atom economy
A
Mr of desired product / Mr of all the reactants
3
Q
Percentage yield
A
Actual mass of products / Theoretical mass
4
Q
Vol. of Gas
A
Number of moles x 24
5
Q
Percentage Mass
A
Ar x number of atoms of element / Mr of compound
6
Q
Empirical Formulae
A
Calculate moles then find simplest ratio
7
Q
Carbonate
A
CO3 2-
8
Q
Hydroxide Ion
A
OH-
9
Q
Sulphate Ion
A
So4 2-
10
Q
Nitrate Ion
A
NO3 -
11
Q
Phosphate Ion
A
PO4 3-
12
Q
Ammonium Ion
A
NH4 +