Asked by sara

what is the number of molecules of c2h6o required to have 135 atoms in total?
Answered by Damon
each molecule has 2 + 6 +1 = 9 atoms
135/9 = ?
Answered by sara
the answer is 11.1 but i dont know how to get it
Answered by Damon
If you have C2H6O that is 9 atoms/molecule
135/9 = 15
That is ethanol

C2H6O4 would be 12 atoms / molecule
that would give you 135/12 = 11.25
That is dioxydimethanol

I have a hunch you have a typo somewhere
Answered by Damon
135/what = 11.1
what = 12.162 atoms/molecule. That makes no sense.
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