QUANTITATIVE Flashcards
1
Q
when doing calculations what should you always remember if q is in cm
A
change it to dm
2
Q
grams=
A
mr moles
3
Q
concentration =
A
moles/volume
4
Q
moles (concentration)=
A
concentration * volume
5
Q
atom economy=
A
total mr of desired product/ total mr of all reactants
6
Q
percentage yield =
A
actual/theoretical *100
7
Q
rate of reaction=
A
quantity of product or reactant formed/time taken
8
Q
dm3/mol to g/mol
A
times by the mr given
9
Q
cm3 to dm3
A
divide by 1000`
10
Q
how to find the relative atomic mass of an element
A
change percentage abundance of isotope to a decimal and times it by mass number
once you’ve done that add both of them together
