In one experiment a student placed 0.13 mL of a solution made from 0.299 g of unknown in 500.00 mL

In one experiment a student placed 0.13 mL of a solution made from 0.299 g of unknown in 500.00 mL of pentane on a pan of water. After all the pentane evaporated a 26.03 cm2 monolayer of unknown remained on the surface of the water. If the density of the unknown was 0.761 g/mL what was the thickness of the monolayer in micrometers?


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