chem 2B mol conversions
for an element
atoms are used
amu
formula mass or molecular mass units
metal + non metal (ionic compound)
formula units used when
1 mol given g x ------------------------- = answer in mol molar mass of element
grams to moles
1 mol 6.022x10^23 particles given grams x ------------- x ------------------------ = particles molar mass 1 mol
grams to particles
108 is approximately the molar mass of N2O5, meaning 6.022x10^23 molecules equals 1 mol, meaning 1 mol equals the mass of N2O5, therefore it would take 6.022x10^23 molecules to be equivalent to 108 grams to N2O5
how many molecules of N2O5 are required to equal 108 grams
gram/mol
molar mass units
multiple elements
molecules used for
molar mass of element given mol x ------------------------- = answer in grams 1 mol
mols to grams
6.022x10^23 particles given mol x ------------------------- = answer in particles 1 mol
mols to particles
atoms, molecules, formula units
particles are either?
1 mol molar mass given particles x ------------------------- x ------------- = grams 6.022x10^23 particles 1 mol
particles to grams
1 mol given particles x ------------------------- = answer in mol 6.022x10^23 particles
particles to mols