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24 April, 06:40

How many moles is 2.80 x10^24 atoms of silicon?

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  1. 24 April, 08:25
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    Let x moles of silicon contains 2.8x10^24 atoms. 6.02x10^23 atoms are present in 1 mole of Si. Therefore 2.80x10^24 atoms are present in = 2.8x10^24/6.02x10^23 = 4.65 moles of Si.
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