A Solution Contains 51 Ppm of Benzene

question 76

Multiple Choice

A solution contains 51 ppm of benzene. The density of the solution is 1.00 g/mL. This means that ________.

• A)there are 51 mg of benzene in 1.0 L of this solution
• B)100 g of the solution contains 51 g of benzene
• C)100 g of the solution contains 51 mg of benzene
• D)the solution is 51% by mass of benzene
• E)the molarity of the solution is 51 M

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Definitions:

Patent Amortization

The process of gradually writing off the initial cost of a patent over its useful life, reflecting the decrease in value due to time and use.

Credit

The right side of an account.

Accumulated Amortization

The cumulative amount of amortization expense that has been recorded against an intangible asset.

Depletion

The allocation of the cost of a natural resource to expense in a rational and systematic manner over the resource’s useful life.