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What is the vapor pressure (in torr) above a solution prepared by mixing 47.89 g of water, H2O, with 47.65 g of ethanol, C2H5OH, at 63.50 °C? The vapor pressures of pure water and ethanol at 63.50 °C are 175.0 torr and 400.0 torr, respectively. These compounds form nearly ideal solutions when mixed together.

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