The mass of a single atom of an element is 2.65 x 10-23 g. calculate its atomic mass
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Solution
Mass of a single atom = 2.6 x10ā-23 g Atomic Mass = Mass of 6.023 x 1023 atoms Atomic Mass = 2.6 x 10-23 x 6.023 (or 6.022) x1023 =15.6598g
The atomic mass is 15.6598g.