Problem- A student pipets 10 mL of HCl into a beaker and dilutes it to 25mL with water He adds .20M NaOH to a burette. The initial reading of the burette is 26.45 mL and the final reading is 10.05 mL several drops of phenolpthalein are added as an indicator. What is the concentration of the HCl?
Using textbook reference solve the reactions given in above problem