3) A student titrated an unknown weak acid with sodium hydroxide (NaOH) and got the following titration curve. 12 10 8 6
Posted: Wed Dec 15, 2021 10:56 am
3) A student titrated an unknown weak acid with sodium hydroxide (NaOH) and got the following titration curve. 12 10 8 6. 4 2 0 0 2 4 4 09 00 8 10 12 14 16 18 20 22 24 Volume of NaOH, mL a. (4 pts.) Read the pH at the first equivalence point. b. (3 pts.) How many mL of NaOH is needed to reach the first equivalence point? c. (4 pts.) What is the pkai of this acid? d. (4 pts.) Read the pH at the second equivalence point. e. (3 pts.) How many mL of NaOH is needed to reach the second equivalence point? f. (4 pts.) What is the pka2 of this acid? g. (3 pts.) How many moles of H* can 1 mole of this acid donate?