Below Is a Diagram Representing a Solvent A(l)in a 1-L

question 38

Multiple Choice

Below is a diagram representing a solvent A(l) in a 1-L beaker,and a solute X dissolved in the solvent.Solvent A has a density of 0.8 g/mL,and a molar mass of 40 g/mol. Solute X has a molar mass of 30 g/mol.Each circle of X represents 1 mol of X.Assume that the solute addition does not significantly change the volume of liquid in the beaker. What is the mole fraction of the solute X in this solution?

• A)0.67
• B)0.53
• C)0.27
• D)0.21
• E)0.04

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Definitions:

Standard Hours Allowed

The amount of time that should be spent to produce a certain amount of goods or services, according to predetermined standards.

Overhead Volume Variance

A measure used in cost accounting to determine the difference between the allocated overhead costs and the actual overhead costs incurred.

Fixed Overhead Rate

A predetermined rate used to assign fixed overhead costs to cost objects, based on a specific activity level or base.

Normal Capacity Hours

The amount of production capability a company can expect to achieve under normal circumstances over a specific period.