The SI base unit used to measure the amount of a substance.
6.022 136 7 x 10^23
The mass in grams of one mole of any pure substance.
The percent by mass of each element in a compound.
The formula with the smallest whole-number mole ratio of the elements.
Specifies the actual number of atoms of each element in one molecule or formula unit of the substance.
A compound that has a specific number of water molecules bound to it's atoms.