The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g·mL–1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 485-mm column of di-n-butyl phthalate. The density of mercury is 13.53 g·mL–1.
1 Answer
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485 mm DBT X (1.045 / 13.53) = 37.5 mm Hg = 37.5 torr
