How Many Silicon Atoms (Si)are Contained in a 12

Multiple Choice

How many silicon atoms (Si) are contained in a 12.5 g sample of silicon?

A) 2.68 × 10²³
B) 5.83 × 10 ^{− 22}
C) 1.35 × 10²⁴
D) 1.71 × 10²¹