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Determining Boiling Points at Different Pressures

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How do I determine the change in boiling point of methyl ethyl ketone (MEK) when initially at atmospheric pressure ---- therefore B.P. - 79.6 oC ------ and then under -27 inches of vacuum pressure? What would be the new B.P. of the MEK?

Please please explain how to do this.

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Solution Summary

The boiling point at a different pressure is calculated knowing the normal boiling point at 1 atm.

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