Question

a sample of vitamin c is known to contain 2.409×10²⁴ oxygen atoms . how many moles of oxygen atoms are present in the sample?​

Answer 1

Answer:

$number \: of \: moles \: of \: oxygen \\ \frac{24.09 \times {10}^{23} }{6.022 \times {10}^{23} } = 4 \: moles$

4 moles is the right answer.