Question

Express your answer using three decimal places. 170 A ROO? pH = Submit Request Answer Part B Calculate the pH at 25°C of a solution formed by mixing 33.0 mL of 0.260 M HC H3O3 and 23 Express your answer using three decimal places. ? 10 APO pH = pH = Submit Request Answer Part C Calculate the pH at 25°C of a solution prepared by adding 50.0 mL of 1.60 M NaOH solution to 0. Express your answer using three decimal places. 10 AED + + O2? pH- Submit Request Answer

Answer 1

Sou o 28g. furoic acid 11C5430 calculate Mole t o 8 29 gm sodium furoate. Nacho first ve k=6076280s this is an actie buffer so prisiginen by following fos mula

Р°= 2*455) 1-3-18 + 3:/b ?) 휴을 - «• 2 4 45 * pk = - logika PA = - 1 6-76 x 1-4 PIt = - Огу ( -14 p)< – 4 – 0- 82, ps ~ 3.) 8 P* 2 + 2 до -469 Р" = 3.18 – о.о 2 (?" - 2» Гајм 12

Part B HGH₂02 / Na Ghz 33x0.26 / 23% 0:22 again acidic Buften. Р"- к. Рас, PM = 318+ lg73 0:24 ph = 3,18 + big sio la pu = 3118+ log 0.589 P4 = 3.18 + €0.229) ĪP" = 2.950 to GGRO + Noon - Nahl 1 Oq + "20 Sooyo. 085 5081-6 3 42.5 80 o 80-42.5 In this palon is present which is strong Dase so on-ion also come from thon

ЗЭР — — , ot g = b.org ho, Ко - у) - от +5 о (həla> U, ev) = - 1 - 12 ги7 «» е,068 Fl», pone-legfon] =-logo.008 реч с 1- 16 Др" гуч —). 4. = ) 2-4 )
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