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Chem Help! Calculate the pressure!!?

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 641-mm column of di-n-butyl phthalate. The density of mercury is 13.53 g·mL^–1.

I dont really know how to do this so if you could explain how you got it that would help a ton!! thanks!!

1 Answer

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  • 3 years ago

    (641 mm C16H22O4) / (13.53 g Hg/mL / (1.046 g C16H22O4/mL)) = 49.6 mmHg = 49.6 torr

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