Amounts Of Substance Flashcards
1
Q
RAM
A
RAM = ∑(mass x abundance) ÷ total abundance
2
Q
Moles
A
Moles = mass ÷ Mr
Moles = conc x volume
3
Q
Number of atoms
A
Num. atoms = moles x 6.022 x 10^23
4
Q
Ideal gas equation
A
PV = nRT
5
Q
Density
A
Density = mass ÷ volume
6
Q
Percentage yield
A
% yield = (actual yield ÷ theoretical yield) x 100
7
Q
Atom economy
A
atom economy = (Mr desired product ÷ total Mr of all products) x 100