Question

The pure liquid vapor pressure of heptane is 40.00 torr at room temperature. You add 12.50...

The pure liquid vapor pressure of heptane is 40.00 torr at room temperature. You add 12.50 g of pentane (MW = 72.15 g/mol) to 125.0 g of heptane (MW = 100.21 g/mol). Calculate the vapor pressure lowering of the solution.

4.87 torr

4.00 torr

5.55 torr

35.1 torr

0 0
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Answer #1

The vapor pressure lowering of the solution will be 4.87 torr.

So, the first option is the correct answer.

The detail calculation is shown below.

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