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April 28, 2015

Homework Help: chemistry

Posted by Luc on Tuesday, February 9, 2010 at 5:42am.

An element has hcp packing with a hexagonal unit cell. Its density is 21000 kg/m3 and the unit cell volume is 2.94 x 10-23 mL. Calculate the molar mass (g/mol) of the element to three significant figures.

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