What mass of magnesium metal is produced when molten MgF2 is electrolyzed by a current of 6.41 A for 11.9 h?
What mass of magnesium metal is produced when molten MgF2 is electrolyzed by a current of...
What mass of beryllium metal is produced when molten BeF2 is electrolyzed by a current of 7.75 A for 15.8 h? Submit Answer Tries 0/45
What mass of beryllium metal is produced when molten BeF2 is electrolyzed by a current of 7.01 A for 16.2 h? Submit Answer Incorrect. Tries 2/45 Previous Tries
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 26 A? Express your answer using two significant figures.
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 23 A?! Express your answer using two significant figures. 140 AEDROO? Submit Request Answer
When a sample of molten sodium chloride is electrolyzed for a given length of time, how do the number of moles of sodium metal and chlorine gas produced compare? a.) There are four times as many moles of sodium metal as moles of chlorine gas b.) There are three times as many moles of sodium metal as moles of chlorine gas. c.) There are twice as many moles of sodium metal as moles of chlorine gas. d.) There are four...
Problem 10 A 1.0 L solution of MgF2 was electrolyzed for 11.8 h to give 33.02 g of magnesium. Assuming the minimum voltage needed was available, what amperage would be needed to complete the electrolysis in the given time?
14. Molten AlCl3 is electrolyzed for 5.0 hours with a current of 0.40 amperes. Metallic aluminum is produced at one electrode and chlorine gas, Cl2, is produced at the other. How many liters of Cl2 measured at STP are produced when the electrode efficiency is only 65%? (a) 0.98 L (b) 0.63 L (C) 0.84 L (d) 0.55 L (e) 1.02 L
Metallic magnesium can be made by the electrolysis of molten MgCl2. What mass of Mg is formed by passing a current of 5.10 A through molten MgCl2 for 3.50 days? How many minutes are needed to plate out 14.00 g Mg from molten MgCl2, using 3.90 A of current?
8. When molten sodium is electrolyzed using inert electrodes, which of the following statements is NOT true? A. Cl ions are oxidized C. Na ions are oxidized E. all of the above B. Nat and Cl ions carry the current through the molten liquid D. Cl2 gas is formed
Metallic magnesium can be made by the electrolysis of molten MgCl2. (a) What mass of Mg is formed by passing a current of 8.70 A through molten MgCl2 for 3.60 days? The unbalanced chemical reaction representing this electrolysis is shown below. MgCl2 Mg + Cl2 __________ g of Mg is formed by this electrolysis. (b) How many minutes are needed to plate out 20.00 g of Mg from molten MgCl2 using 8.78 A current? __________- minutes are needed.