Suppose that 3.45 g of a silver salt (AgX) is dissolved in 605.0 mL of water. A current of 2.82 A, applied for 695 s, was required to plate out all of the silver in solution. What is the mass percentage of silver in the salt? Number % Ag What is the chemical formula of the salt? AgBr AgF Agl AgCN AgCl AgNO3
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Given: Mass of silver salt (AgX) = 3.45 g Volume of water = 605.0 mL = 605.0 cm^3 Current = 2.82 A Time = 695 s First, calculate the charge passed through the solution: Charge (Q) = Current (I) x Time (t) Q = 2.82 A x 695 s Q = 1962.9 C Next, calculate the moles Show more…
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