Question

I need a, b and c please. Thanks!

Use the Henderson-Hasselbalch equation to calculate the pH of each solution: Part A a solution that is 0.155 M in propanoic acid and 0.125 Min potassium propanoate Express your answer using two decimal places. VO ALTRO? pH = Submit Request Answer Part B a solution that contains 0.715% C, H N by mass and 0.865% CsHNHCl by mass Express your answer using two decimal places. V AED RO? pH- Submit Request Answer Part a solution that is 16.5 g of HF and 23.5 g of NaF in 125 ml of solution Express your answer using two decimal places. LON Type here to search

Answer 1

Ka 13y X10- 4.87 en C Coo O.155 M 0.125 M butfer Soluten a [Cy cy cook CcyC CoOM) pka loy и O 125 4.87 t OISS 1.87-0.0g 4.78 P1

12xLo Kvalue Pridene 8.77 SMNHCI 0.865 715 77 0.865 (sngsNиy 115.5 basi ber tll роч O.&65 79 8.17 t 11S-S 8.77-0.08 8.69 11-6.69 7

k of Hp 3 5 X10-4 3.46 иЕ 16.5 16-J Xloro 16.5 20 X/25 NaA 23.5 23.5 X 1000 42X125 23.S 42 NA F a bter itis CNSF prp a CHFJ 42 TG-5 12 3.46 t 20 3.46+ 0 23.SX20 16.5X 42 3.46 tl03 470 693 : 3.46-0.1 A3.29