Question

A 1.00 mL solution containing 0.400g BaCl2:2H2O is mixed with 50.00 mL of a solution containing 0.300 g NalO3. Determine the mass of Ba(103)2 formed. Ksp (Ba(103)2) = 1.6x10-9

Answer 1

Given: -2.00x1o pm Molarity c6-65 M Specrer KNO3 Formula reauired to caloulate activity coefficient Debye-nuexel eauation 6.51 Z2 T+3.8(ol J) 22 charge Ton ,htis case xtr the ion Eeffectire hydrota d radur ton Ctn nm) Touic Strength solution cretivit Coeppicent Kt hastV charg e 3 X10 Pm we need to convert into iPn=0.6ol nm d=0.002x to nm 3 x l01nm 11 u Fonic strergth 22=1 C120200005M C-) .06M+)0-0SM 0-05 M

zaRu in Noo Substituting the values eauation Debye Huckel 6.51 C+) O.05 1 +3.3x 3x107x Joo5)

O.113 1. 2.2077X10 5.118X 10 - 5.113X1011 10