A Solution Contains 15 Ppm of Benzene

question 90

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 L of this solution
• B)100 g of the solution contains 15 g of benzene
• C)100 g of the solution contains 15 mg of benzene
• D)the solution is 15% by mass of benzene
• E)the molarity of the solution is 15

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Definitions:

Correct Hybridization

The mixing of atomic orbitals to form new hybrid orbitals, explaining the geometry of molecular bonding.

Atom

An atom is the smallest unit of matter that retains the identity of a chemical element, consisting of a nucleus surrounded by electrons.

Molecule

The smallest unit of a chemical compound that can exist; it consists of a group of atoms bonded together, representing the compound's chemical properties.

Relative Frequencies

The proportion of occurrences of a specific value relative to the aggregate count of observations, frequently shown as a percentage.