How much C atoms in 1.6 mol of (C3H6O)
All numbers are sub script

Please do not give the anser to this question? All I want is the mahthmatical formular to work it out.

You know how many molecules are in a mole, how many moles you have, and how many carbon atoms are in a molecule. So by dimensional analysis you can see that

No.\ of\ C\ atoms = \frac{C\ atoms}{molecule}*\frac{molecules}{mol}*mol