Homework Help: Electrochemistry

Posted by Jerry on Thursday, May 17, 2007 at 10:59am.

How much electric charge is needed to produce 1.000kg of Na metal from the Na+ ions in NaCl?

You need one electron per atom. How many atoms are present in 1kg of Na? Use avagradros number.

To change to coulombs, remember that 1 electron= 1.6E-19C

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