Before adding sulfuric acid to the solution of sodium hydroxide, a pH indicator should be added and mixed. After this, sulfuric acid can slowly be added. The solution should be mixed regularly. After a certain volume of sulfuric acid has been added, the solution will change colour which, depending on the indicator used, will show that the solution has reached a certain pH.
Before adding sulfuric acid to the solution of sodium hydroxide, a pH indicator should be added and mixed. After this, sulfuric acid can slowly be added. The solution should be mixed regularly. After a certain volume of sulfuric acid has been added, the solution will change colour which, depending on the indicator used, will show that the solution has reached a certain pH.