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Problem- The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g•mL-1) manometer fluid.

1) Compute the pressure (in torr) of a gas that supports a 631-mm column of di-n-butyl phthalate. The density of mercury is 13.53 g•mL-1.

I just need a general explanation of it please- Thanks!

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