Molarity = moles of solute ÷ liters of solution
M = n ÷ V
Find the number of moles of solute
If needed, convert grams to moles using moles = mass ÷ molar mass
Measure the total volume of the solution in liters
Divide moles of solute by liters of solution
Use the formula M = grams ÷ (molar mass × liters of solution) when starting with mass
Ensure the volume is in liters, not milliliters
Convert milliliters to liters by dividing by 1000
Final answer is expressed in mol/L or M