Problem: 1 mole of Si atoms contains 6.02 x 1023 atoms. 6.02 x 1023 atoms of Si have a mass of 28.1 g. How many atoms of Si are contained in a computer chip that masses 38.0 mg? (6.02 x 1023 atoms 28.1 g)

FREE Expert Solution

In this problem we don't really have to do the conversion from mole to atom since a conversion factor from mass to atoms is already given. So we can simply do the calculation as: 

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Problem Details

1 mole of Si atoms contains 6.02 x 1023 atoms. 6.02 x 1023 atoms of Si have a mass of 28.1 g. How many atoms of Si are contained in a computer chip that masses 38.0 mg? 

(6.02 x 1023 atoms 28.1 g)

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