How long (in hours) must a current of 3.05 amps bepassed to produce 20.3 g of lead metal from a solutionof aqueous lead(IV)nitrate?
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How long (in hours) must a current of 9.63 amps bepassed to produce 68.3 g of calcium metal from a moltensample of calcium iodide?
How long (in hours) must a current of 8.95 amps be passed to produce 92.4 g of lead metal from a solution of aqueous lead(IV)nitrate? Give your answer to 1 decimal place.