ch19-p002 - Therefore, 7.50 10 24 arsenic atoms have a...

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2. Each atom has a mass of m = M / N A , where M is the molar mass and N A is the Avogadro constant. The molar mass of arsenic is 74.9 g/mol or 74.9 × 10 –3 kg/mol.
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Unformatted text preview: Therefore, 7.50 10 24 arsenic atoms have a total mass of (7.50 10 24 ) (74.9 10 3 kg/mol)/(6.02 10 23 mol 1 ) = 0.933 kg....
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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