1.2 Amount of substance
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What do moles equal?
Mass / Mr
What does concentration equal?
moles/volume
What is the ideal gas law?
pV=nRT
What are the units for the ideal gas law?
p=Pa V=m³ T=K
How do you convert Celcius to kelvins?
+ 273
What is the relative atomic mass?
The mass of an atom in comparison to an atom of C12.
What is the relative molecular mass?
The mean mass of a molecule is relative to the mass of the 12C isotope of carbon.
What is Avogadro’s constant?
no of atoms in a mole (6.022 x10^23)
What is the empirical formula?
the simplest whole-number ratio of atoms of each element in a compound
How do you measure the atom economy?
(Desired products / total products) x 100
How do you measure the percentage yield?
(Actual yield / theoretical yield) x 100