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12. The molar mass of a metal (M) is 50.9 g/mol; it forms a chloride of unknown composition. Electrolysis of a sample of the molten chloride with a current of 6.42 A for 23.6 minutes produces 1.20 g of M at the cathode. Determine the empirical formula of the chloride. (Faraday constant = 96500 C mol⁻¹)
(A) MCl
(B) MCl2
(C) MCl3
(D) MCl4
(E) MCl5


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 【站僕】摩檸Morning:有沒有達人來解釋一下?
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12. The molar mass of a metal (M) is 50..-阿摩線上測驗