1.

(a) Calculate DeltaG_(f)^(@) of the following reaction Ag^(+)(aq) +CI^(-)(aq) rarr AgCI(s) Given: DeltaG_(f)^(@) (agCI) =- 109 kJ//"mole", DeltaG_(f)^(@)(CI^(-)) =- 129 kJ//"mole", DeltaG_(f)^(@) (Ag^(+)) = 77 kJ//"mole" Represent the above reaction in form of a cell Calculte E^(@) of the cell. Find log_(10).K_(sp) of AgCI (b) 6.539 xx 10^(-2)g of metallic Zn(amu = 65.39) was added to 100ml of saturated solution of AgCI. Calculate log_(10).([Z^(2+)])/([Ag^(+)]^(2)) given that Ag^(+) +e^(-) rarr Ag E^(@) = 0.80V, Zn^(2+) +2e^(-) rarr Zn E^(@) =- 0.76V also find how many moles of Ag will be formed?

Answer»


ANSWER :`(a) E^(@) = 0.59 V, log_(10) K_(sp) =- 10` (B) `52.8, 10^(-6)` moles


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