moles, molecular weight and solutions

moles, molecular weight and solutions

1. moles

   • 1 mole = 6.022 x10^23

2. molecular weight

   • molar mass
     • can be determined by adding together the molecular weights of each of the number of atoms in the molecule
   • M = molecular weight (grams per mol) m= mass (grams) n=number of moles

3. solutions

   • a liquid which contains a compound which is dissolved
   • concentration tells you how many molecules are dissolved in how much volume of solvent
     • c= concentration(mol per litre ) n= moles v= volume(litres)