Question

Can someone answer all #15 Questions. Thanks

12:22 AM ooo T-Mobile LTE 100% Close PROBLEM SET 10 due April 24, 2017 For each question, write the letter of the correct answer inthe column onthe right. 1. What mass of chromium can be deposited byelectrolysis of an aqueous solution of Cra(soda for 160 min using a constant current of 15.0 A? (F 9648SC/mol AO 0431 g c) 232.8 g DO 0.187g 2. Copper is electroplated from Cusoesolution. A constant current of 439Ais applied by an external power supply. How long will ittake to deposit 1000gofcu? Al 19.2h B) 1317s C01.48 days D) 96 min 3. Use the information below to decide which ONE of the following statements of a 10M solution of sodium iodide INa0in water true conceming the electrolysis a-2.71, v Na(s: E 0.54V Em -083V AI The solution becomes more basic aselectrolysistakes place. B) Sodium metal is deposited lodine (la) is formed at the cathode. Dlonygen is evolved at the anode. E) Hydrogen is evolved at the anode. 4. When an aqueous solution of lithium sulfate u Solis electrolyzed, what are the expected products? Any of the half-reactions listed below maybe involved. -3.04 AI Lils and Haig) S. E of a molten salt with the formula MC, using a current of 386 Afor 162 min, deposits 1.52gofmetal. Identify the metal. A) Na C Ca DIRb EK

Answer 1

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