*Then add two drops of phenolphthalein indicator to the beaker by right clicking, choosing indications, and adding 2 drops of phenolphthalein. * Next is obtaining a 50 mL buret and to fill it 50 mL of 0.1 M NaOH solution. Do this by right-clicking on the working area, select a 50 mL buret, right-click on the buret, and choose Chemicals. * The last step is to Titrat Unknown Acid A with NaOH until the end point. Once again, right click on the working area, right click the beaker,