Question

Convert 7.80x1024 molecules of carbon dioxide gas (CO2) to moles.

Answer 1

Answer:

12.96 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L}$

From the question we have

$n = \frac{7.80 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 12.95681...$

We have the final answer as

12.96 moles

Hope this helps you