Question

assignment will be closed on Friday, March 29th at 12.00 PM (noon). The correct answers will be available on Friday March 29th. at 12:05 PM Question 1 1 pts A 10.0 mL sample of 0.25 M NHsloq) is titrated with 10.0 mL of 0.20 M HCloa) (adding HCI to NHal. Determine which region on the titration curve the mixture produced is in, and the pH of the mixture. Kb of NH3 is 1.8 × 10-5. Henderson-Hasselbalch equation: pH base] HCI NH3- 1) After adding the HCl solution, the mixture is Select the equivalence point on the titration curve. I Select l after before 2) The pH of the solution after adding HCI is Next Not saved Submit Quiz M NIitJiog)is titrated with 100 m of 0.20 M HCo) ladding HCI to NiHa) Determine which region on the tration curve the miture produced is in, and the pt of the mixture. K, of NHj is 1.8 x 10 Henderson-Hasselbalch equition: pH = pK, + log 쁩 bese) HCI the equivalence point on the titration curve. 2) The pH of the solution after adding HCI is ISelect ) I Select ] 9.16 8.65 Next . 7.00 Quiz saved at 10:35am Submit C D Question 2 1 pts A 50.0 ml sample of 0.20 M HCila)is titrated with 1000 mL of 0.10 M NaOHloa) ladding NaOH to HCI). Determine which region on the titration curve the mixture produced is in, and the pH of the mixture. NaOH 1) After adding the NaOH solution, the mixture is I Select ] the equivalence point on the titration curve I Select ] 2) The pH of the solution after adding NaOH is before Next Quiz saved at 10:36am Submit Quiz ch 29sh, at 12.05 PM. | Question 2 1 pts A 50.0 ml sample of 0.20 M HClloa) is titrated with produced is in, and the pH of the mixture. h 1000 ml of 0.10 M NaOHag) (adding NaOH to HCI. Determine which region on the titration curve the mixture NaOH atrix HCI 1) After adding the NaOH solution, the mixture is Select ) 2) The pH of the solution after adding NaOH is「Select 1-1 I Select ] 13.00 Quiz saved at 20.36am Submit Quiz to search End Home

Answer 1

t o 0.20м 0, 25 м x10 G-20 м 2候 0 25 x lo 2-5 2 2 -5 2. 6t 니, 745 ︷ 5347 2)

tab 0.2M 0IM a lO s Io lo lo t-t uur Fon SASB sad the Pnof Solution is ferd 2) The pH-$れu Solation often adding Naon is 구.00