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Verbal·Standard English Conventions·Boundaries

hard

In a chemical equation, the value known as molar mass is useful for converting between the mass of the reactants and the mass of the product. The gaseous __________ have molar masses of 48.00 and 56.11 g/mol, respectively.

Which choice completes the text so that it conforms to the conventions of Standard English?

A

compounds ozone (O₃) and isobutylene (C₄H₈),

B

compounds, ozone (O₃) and isobutylene (C₄H₈)

C

compounds ozone (O₃) and isobutylene (C₄H₈)

D

compounds, ozone (O₃) and isobutylene (C₄H₈),