Original stock concentration of NaOH(aq): 10 OM Volume of stock used (ml): 100ml
Use MIVI - M2V2 to calculate concentration of Working NaOH solution (M): 10.0M
HCl(aq) + NaOH(aq) en NaCl(aq) + H20(1)
Trial 1
Trial 2
Volume of Unknown acid
before addition of
20.000ml
20.000ml
phenolphthalein (ml
Volume of Unknown acid after
addition of phenolphthalein
21.000ml
21.070ml
(ml)
Volume of Unknown acid +
volume of NaOH at endpoint
32.00ml
32.570mL
(ml)
I
From this information you have collected and calculated, calculate the molarity of the HCl solution.
Report all values in this table below.
Trial 1
100ml
Trial 2
100ml
Volume of NaOH added (ml)
Mol of NaOH added (mol)
Mol of HCI (mol)
Molarity of HCl solution (M)
Average molarity of HCl solution