At $20\mathrm{.}0$C$,$ an ideal solution containing $3\mathrm{.}25$ moles of a nonvolatile solute and $440\mathrm{.}0$ g of ethanol $($C$2$H$5$OH$)$ is created. What is the vapor pressure of the solution given that the vapor pressure $($in torr$)$ of pure ethanol at this temperature is $43\mathrm{.}6$ torr?

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We can calculate the vapor pressure of the solution using Raoults Lawwhich applies to ideal solution... View the full answer