Convert 3.01•10^23 molecules of C2H6 to moles.

Explanation:

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

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

We have the final answer as

Hope this helps you

introduction of a drug directly into the respiratory tract is a form of inhalation administration.

your answer would be a. 12.5 kg