Determine the Number of Atoms in a Piece of Ultrapure

question 37

Multiple Choice

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

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