07-01-2016
Chemistry

Answered

How many grams do 3.6×10^20 atoms of silicon weigh?

Verified Answer :

Billymkhoi Billymkhoi

07-01-2016

3.610^20 atoms (1 mol/ (6.0210^23 atoms))= 6.010^(-4) mol.

6.010^(-4) mol (28.1 g/ 1 mol)= 1.710^(-2) g.

Note that the units cancel out so you get the answer.

The final answer is 1.710^(-2) g Si.

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