How many moles of each type of atom are in 2.55 mol of grain alcohol (C2H6O)?

I need an explanation of how to get the answer. I can find the mass of each element and the formula mass.
Chem test in two days!

Thanks
Steven

Answer:
there are 2 moles of C, 6 moles of H and 1 mole of O in one mole of the compound.

if you have 2.55 moles off the compound, then all you need to do is multiply the coefficients (numbers in subscript) by the number of moles that you have

thus

5.10 moles C
15.3 moles H
2.55 moles O

its simple. the molecular weight of C=12, H=2, O=32.
now in 1 mol of alcohol there is 24 gm or 2 mol C, 6gm or 3 mol H and 16gm or 0.5 mol O.
therefore in 2.55mol of alcohol there will be
C=2.55*2=5.1mol
H=2.55*3=7.65mol
O=2.55*0.5=.1275mol.

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How many moles of each type of atom are in 2.55 mol of grain alcohol (C2H6O)?

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