What mass in grams would 4.50 x 10^21 atoms of calcium have
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What mass in grams would 4.50 x 10^21 atoms of calcium have

[From: ] [author: ] [Date: 13-10-23] [Hit: ]
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Divide the number of atoms by Avogadro's number to get the number of moles.

Multiply the number of moles by the atomic mass of Ca.
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