What Is the Mole Fraction of Ethanol in a Solution

question 7

Multiple Choice

What is the mole fraction of ethanol in a solution made by dissolving 29.2 g of ethanol,C₂H₅OH,in 53.6 g of water?

• A)0.176
• B)0.213
• C)0.352
• D)0.545

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Definitions:

Absorption Costing

A financial approach that incorporates every aspect of manufacturing expenses, such as direct materials, direct labor, and all variable and fixed overhead costs, into the price of a product.

Variable Costing

An accounting methodology that assigns only variable costs to inventory, treating fixed costs as expenses of the period.

Operating Income

Refers to the profit realized from a business's core operating activities, excluding deductions of interest and taxes.

Absorption Costing

Absorption costing is an accounting method that includes all manufacturing costs (both variable and fixed) in the cost of a product.