What Is the Weight Percent of a Caffeine Solution Made

question 47

Multiple Choice

What is the weight percent of a caffeine solution made by dissolving 8.35 g of caffeine,C₈H₁₀N₄O₂,in 75 g of benzene,C₆H₆?

• A)0.010%
• B)0.011%
• C)10%
• D)11%

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Definitions:

Operating Cash Flows

Cash generated from the normal operations of a business, including revenue from sales minus operating expenses.

Hydromechanical Transmission

A type of transmission that combines hydraulic and mechanical components to control power flow and speed changes.

Operating Temperatures

The range of temperatures within which mechanical or electronic systems are designed to function optimally without degradation or failure.

Auxiliary Filter

Any of a number of different types of add-on filters used in hydraulic circuits. Often installed on an Allison transmission after a catastrophic failure to remove particulate debris.