Question

A sample of nitrogen containing 1.5x10^23 molecules has the same number of molecules as a sample containing

A. 1.0 mole of H2
B. 2.0 moles of He
C. 0.25 mole of O2
D. 0.50 mole of Ne

Answer 1

There are 6.02E23 molecules in a mole of anything. How many mols N2 do you have in 1.5E23 molecules?

Answer 2

D) 0.50 mole of Ne