ocr: Part II: Problems (38.5% of exam) 1i. Abuffer is prepared by adding 1.00 g of acetic acid, CH,COOH, and 1.50 g ofsodium [10acetate, NaCH,C00O, to enough water to form 100. mL of solution. (K.(CH,COOH): =l 1.8> X 10] a. What is the pH of this buffer? ks Molanly (cH,coow)- 1.005 x Imol 60.c59 I CH,COOH CH,COOH 1 0.167M Upt EA 0.100L NaCH,Coo Lmol Na'ch,Cce * Inol CHyCoO Ipt Molanty (CA,Loo), 1.509 82.039 NacH,Coo imolNacHCoo = 0,183M 0.100L + H,o 1 H,o iCH,coo .t chege eguil ByCaI 0.767M What is the pH after the tx X addition o of 1.00x 0.183+* +* 0.183M 103 moles of Le - 1.8NOS 1.8YIC KoH (s). ...
