A Solution Contains 15 Ppm of Benzene

question 21

Multiple Choice

A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that ________.

• A)there are 15 mg of benzene in 1.0 g of this solution
• B)100 g of the solution contains 15 g of benzene
• C)1.0 g of the solution contains 15 × 10^-6 g of benzene
• D)1.0 L of the solution contains 15 g of benzene
• E)the solution is 15% by mass of benzene

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Definitions:

Daily Showers

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Learned helplessness is a psychological condition where an individual learns to believe they are powerless to change a negative situation, even when opportunities to do so exist.

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Predictability

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