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Given That ΔfH° [Ag2S(s)] = -32

Question 33

Multiple Choice

Given that ΔfH° [Ag2S(s) ] = -32.6 kJ/mole,what is the enthalpy change for the precipitation of argentite,Ag2S(s) ?
ΔfH° [Ag+(aq) ] = +105.6 kJ/mol
ΔfH° [S2-(aq) ] = +33.05 kJ/mol


A) -276.9 kJ/mol
B) -106.1 kJ/mol
C) +171.2 kJ/mol
D) +106.1 kJ/mol
E) +138.7 kJ/mol

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