What is the mole fraction of benzoic acid in the solution
Diethyl ether has a vapor pressure of 400.0 torr at 18°C. When a sample of benzoic acid is dissolved in ether, the vapor pressure of the solution is 342 torr. What is the mole fraction of benzoic acid in the solution?
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What critical value t* from Table C would you use for a confidence interval for the mean of the population in each of the following situations? An 80% confidence interval from a sample of size 7.
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