Thursday
April 24, 2014

Homework Help: physics

Posted by taryn on Sunday, January 27, 2013 at 5:39pm.

A 52.0 g ball of copper has a net charge of 2.1 ÁC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)

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