Please rephrase your question with more detail.Making a LOT of assumptions, the answer MIGHT be propoxybutane.
this is nothing actually is... CH3-CH2-CH2-O-CH2-CH3 ethyl methyl ether....
(4 gallon) x (16 cups per gallon) = 64 cups [ This is the right answer]
c + c + c + c + c = 5 * c.
2+21=23or 3+15=18ok .ans:h-c-d-d-g-g 45+585*=474552++