What Is the Solubility of Barium Sulfate in a Solution

question 4

Multiple Choice

What is the solubility of barium sulfate in a solution containing 0.050 M sodium sulfate? The K_sp value for barium sulfate is 1.1 *10^-10.

• A)7.4 *10^-6 M
• B)5.5 *10^-11 M
• C)1.0 * 10^-5 M
• D)2.2 *10^-9 M
• E)1.1 * 10^-10 M

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Definitions:

Actual Cost

The true financial expenditure required to produce a product or service, as opposed to budgeted or standard costs.

Labour Rate Variance

The difference between the actual cost of direct labor and the standard cost of direct labor multiplied by the actual hours worked.

Direct Labour

Rephrased: The workforce directly involved in manufacturing products or providing services, whose costs directly affect the cost of goods sold.

Variable Manuf. Overhead

Variable Manufacturing Overhead includes those manufacturing overhead costs that vary directly with the level of production, such as utilities for the production facility.