The treatment of an aqueous solution of 3.74 g of Cu(NO3)2 with excess KI results in...

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The treatment of an aqueous solution of 3.74 g of Cu(NO3)2 with excess KI results in a brown solution along with the formation of a precipitate. Passing H₂S through this brown solution gives another precipitate X. The amount of X (in g) is [Given: Atomic mass of H= 1, N = 14, O = 16, S = 32, K = 39, Cu = 63, I = 127] The treatment of an aqueous solution of 3.74 g of Cu(NO3)2 with excess KI results in a brown solution along with the formation of a precipitate. Passing H₂S through this brown solution gives another precipitate X. The amount of X (in g) is [Given: Atomic mass of H= 1, N = 14, O = 16, S = 32, K = 39, Cu = 63, I = 127]

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