88. Solving a chemistry problem
109. A solution of palmitic acid C16H32O2 in benzene contains 4.24 g/l of acid. After applying the solution to the water surface, benzene evaporates and the remaining palmitic acid forms a monomolecular film. What volume of acid solution is required to cover a surface of 500 cm2 with a monomolecular layer. The area of a palmitic acid molecule in a monolayer is 0.205 nm2.
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