Question

Convert 140.1 g N2 into moles

Answer 1

5 moles

Step-by-step solution:

To find the number of moles, we must divide the mass by the molar mass:

Molar mass of N2 is 14 * 2= 28

So:

`number \ of \ moles = (mass)/(molar \ mass) = (140.1)/(28) = 5 \ moles`