Friday
April 18, 2014

Homework Help: chemistry

Posted by john on Sunday, February 24, 2008 at 5:58pm.

calculate the number of atoms in the following masses.
a) 54.0g of aluminum
b) 69.45 g of lathanum
c) 0.697 g of gallium
d) 0.000 000 020 g of beryllium

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