What is the vapor pressure at 23 degrees C of a solution of 1.20 g of naphthalene, C10H8, in 25.6 g of benzene, C6H6? The vapor pressure of pure benzene at 23 degrees C is 86.0 mmHg; the vapor pressure of naphthalene can be neglected. Calcluate the vapor pressure lowering of the solution.
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delta Psolvent = XsolutePosolvent
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