# Question #fdcdd

You should know the amount of ${H}_{2} S {O}_{4}$ or the molarity of the solution as
the equation = $\text{amount of "H_2SO_4" / amount of water * 100% = percantage}$
but it could be expressed as $\frac{\text{amount of "H_2SO_4 = "amount of water}}{5}$