C3 quantitive chemistry Flashcards
1
Q
equation involving mass, moles and RFM
A
moles= mass/rfm
2
Q
volume of gas
RFM of gas
mass of gas
A
volume of gas= mass/rfm
3
Q
concentration
volume
mass
A
concentration=mass/volume
4
Q
moles
volume
concentration
A
concentration=mass/volume
5
Q
atom economy
rfm desired products
rfm all reactants
A
atom economy= rfm desired products/rfm all reactants
x100
6
Q
percentage yield
maximum theoretical mass
mass of product actually made
A
percentage yield= mass of product actually made/maximum theoretical mass
x100
7
Q
how do you use moles to find the mass of an equation
A
use mole equation
8
Q
how do you calculate rfm
A
sum of aol atomic numbers in the compound
9
Q
what does Ar mean
A
mass no
