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posted by brooke Tuesday, April 10, 2012 at 7:59pm.
Calculate the net charge on a substance consisting of a combination of 4.3 multiplied by 1013 protons and 2.5 multiplied by 1013 electrons.
(4.3-2.5)•1013•1.6•10^-19 = +2.92•10^-16 C
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