se a current of 770. mA flows through a copper wire for 10.0 minutes. Calculate how many moles of electrons travel through the wire.

If a current of 40.0x10-6 A is drawn from a solar cell for six months, how many faradays are involved?

41.  What mass of gold is produced when 16.8 AA of current are passed through a gold solution for 10.0 minmin ? Express your answer with the appropriate units.

What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 30 A ? Express your answer using two significant figures.

Suppose 830. mmol of electrons must be transported from one side of an electrochemical cell to another in 231. seconds. Calculate the size of electric current that must flow. Be sure your answer has the correct unit symbol and the correct number of significant digits.

In the Hall-Heroult process, a large electric current is passed through a solution of aluminum oxide (Al,0,) dissolved in molten cryolite (Naz AIF, resulting in the reduction of the Al,0, to pure aluminum. Suppose a current of 8300. A is passed through a Hall-Heroult cell for 29.0 seconds. Calculate the mass of pure aluminum produced. Be sure your answer has a unit symbol and the correct number of significant digits. ロロ の

How many grams of magnesium metal will be deposited from a solution that contains Mg2+ ions if a current of 0.523 A is applied for 49.3 minutes. grams

Molten CaCl2 can be electrolyzed to form metallic Ca. For what duration should an electrolysis be performed at a current of 2.67 A in order to produce 15.1 g Ca?