The relative atomic mass can be defined by......
Average mass of one atom of an element x 12 ------------------------------------------------------------------- Mass of an atom of C12
Average mass of one atom of an element x 12 ------------------------------------------------------------------- Mass of 1/12th of an atom of C12
Number of moles.....
m/mr
mr/m
Ideal gas equation is.....
PV/T
PV=nRT
How do you calculate the molecular formula?
Relative mass of empirical formula ----------------------------------------------------- Relative molecular mass
Relative molecular mass ------------------------------------------------------ Relative mass of empirical formula
Concentration = ...........
Volume in dm --------------------------- Number of moles
Number of moles ---------------------------- Volume in dm
Number of moles in solution....
M x 1000 ------------- V
M x V ---------- 1000
Atom Economy (%)......
Mass of desired product ------------------------------------ x1000 Total mass of product
Mass of desired product ---------------------------------- x100 Total mass of product
Yield of a chemical reaction......
The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 100 Theoretical maximum number of moles or grams of the product
The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 1000 Theoretical maximum number of moles or grams of the product
