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November 24, 2014

Homework Help: chemistry

Posted by david on Saturday, February 23, 2008 at 6:42pm.

2Al+3Cl2=2AlCl3
calculate the amount(number) of excess reagen units remaining when 4.03x10^23 Al atoms and 6.42x10^23 Cl2 molecules react?

please help!!!!! thanks

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