amount of substance Flashcards
atom economy equation
molecular mass of desired/mass of all reactants x100
define empirical formula
smallest whole number ratio of each element in a compound
define molecular formula
actual ratio of atoms of each element present In a compound
percentage yield equation
actual/theoretical x100
percentage by mass equation
mass of desired/total mass of mixture. x100
define relative atomic mass
average mass of an atom of an element compared to the mass of a 1/12th of an atom of C12
define relative molecular mass
average mass of a molecule of an element compared to the mass of 1/12th of an atom of C12
ideal gas equation
PV=nRT
density equation
PxMr
RT
concentration equation 1
moles
volume
concentration equation 2
molarity x Mr