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A teaspoon of organic oil dropped on the surface of a stillpond and spreads out to cover the area of almost an acre. The oilfilm has a thickness equal to the size of a molecule. In the lab,when you drop 0.001 milliliter (10 to the negative ninth meterscubed) of the organic oil on the still surface of the water , youfind that it spreads to cover an area of 1.0 meters squared. If thelayer is one molecule thick, what is the size of the single molecule?

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