Determine the number of atoms in a piece of ultrapure silicon that has a mass of 15.0 grams.
A) 1.13 × 1024 atoms
B) 1.69 × 1025 atoms
C) 2.54 × 1020 atoms
D) 3.21 × 1023 atoms
E) 9.03 × 1024 atoms
Correct Answer:
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