equations Flashcards
1
Q
Ar from mass spectrometry
A
ar= (% abundance x mass) / 100
2
Q
number of particles
A
= no. of moles x avogadros constant
3
Q
mass
A
mass = mr x mole
4
Q
concentration
A
conc = mole / vol
5
Q
ideal gas equation
A
pV = nRT
6
Q
percentage yield
A
= actual yield/theoretical yield x 100
7
Q
% atom economy
A
= molecular mass of desired product/ sum of molecular mass of all reactants x100
