Answer Happy

#1 12 3 Data Stock concentrations: Unknown acid, HA: 1. _ NaOH: 0.5M CHE CORT CHCoolH Volume of acid, ml loml lone lom 10ml Final buret reading, ml. 32 38 46 Initial buret reading, ml. 28. 32 A 3238 Volume of NaOH, ml 4 mil me 8 me 17-82 8.46 2.32 19.08 pH w1 12 3 6 Moles of HA, initial Moles of OH, initial Moles of HA, equilibrium Moles of A, equilibrium [HAI equilibrium [Al. equilibrium [H.O'l, equilibrium 1/[A] K Mean value of K: 183-
Post-lab questions 1. Was there a trend in the pH values 2. Ideally, the pH difference between adjacent solutions (e1 and 82, 82 and 83, etc.) is equal to 0,5 pH units. How close were your data? 3. Use the reference value of K. provided by your instructor to calculate the percent errot. - 185-