Chapter 6, Problem 3SAQ

How many carbon atoms are there in a $12.5-\text{kg}$

sample carbon?

$6.27\times {10}^{20}$

atoms

$9.04\times {10}^{28}$

atoms

$6.27\times {10}^{{}^{26}}$

atoms

$1.73\times {10}^{-21}$

atoms