You Wish to Prepare a Solution of Methanol (CH₃OH, 32 $\degree$

question 67

Multiple Choice

You wish to prepare a solution of methanol (CH₃OH, 32.04 g/mol) and ethanol (CH₃CH₂OH, 46.07 g/mol) that has a total vapor pressure of 66 torr at 20 $\degree$ C.Calculate the mole fraction of ethanol in the solution that will produce the desired pressure.

• A)0.55
• B)0.68
• C)0.48
• D)0.72
• E)0.38

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Definitions:

Reciprocity

The mutual exchange of goods, services, favors, or support between individuals or groups, expecting a similar benefit in return.

Norm

A standard or guideline that is accepted and expected within a group, culture, or society, dictating behavior that is considered normal or appropriate.

Reciprocity

A social exchange principle where the actions of one party lead to a response by another party, typically in a manner that mirrors the original action.

Norm Of Reciprocity

A social expectation that dictates individuals should return favors and kindnesses that others have provided to them, creating a basis for cooperative behavior.