What mass of each of the following substances can be produced in 1.0 h with a current
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What mass of each of the following substances can be produced in 1.0 h with a current of 15 A?
a. Co from aqueous Co2+
b. Hf from aqueous Hf4+
c. I2 from aqueous KI
d. Cr from molten CrO3
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