Answer Happy

mL of the 4.0 M NaOH solution in a 1-L volumetric To prepare - 0.20 M NaOH solution, transfer flask and dilute it to mark with distilled water. . Standardization of NaOH Reaction of NaOH and KHP: Molecular Weight of KHP: g/mol Trial 2 Trial 3 Trial 1 1.147 1.155 1.137 26.60 53.00 79.40 0.00 26.60 53.00 Mass of KHP (g) Final Buret Reading (mL) Initial Buret Reading (mL) ml NaOH used L NaOH used mol NaOH used concentration NaOH (mol/L) Average Concentration of NaOH (M): M

Standardization of HCI Reaction of NaOH and HCl: Trial 1 Trial 2 Trial 3 25.00 25.00 25.00 25.40 mL HCl used L HCl used Final Buret Reading (mL) Initial Buret Reading (mL) mL NaOH used mol HCl reacted Molarity of HCI Solution 51.00 25.40 76.80 51.00 0.00 Average Concentration of HCI (M): M