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Consider the reactions of cadmium with the thiosulfate anion.
Cd²⁺ (aq) + S₂O₃²⁻ (aq) ⇌ Cd(S₂O₃)(aq) K₁ = 8.3 x 10³
Cd(S₂O₃) (aq) + S₂O₃²⁻ (aq) ⇌ Cd(S₂O₃)₂²⁻ (aq) K₂ = 2.5 x 10²
What is the value for the equilibrium constant for the following reaction?
Cd²⁺ (aq) + 2S₂O₃²⁻ (aq) ⇌ Cd(S₂O₃)₂²⁻ (aq)
a. 33
b. 0.030
c. 8.6 x 10³
d. 2.1 x 10⁶
e. 8.1 x 10³