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Verbal·Standard English Conventions·Boundaries
hard
In a chemical reaction, the value known as molar mass helps convert between the mass of the reactants and the mass of the product. The gaseous        have molar masses of 150.21 and 16.04 g/mol, respectively.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
compounds, thymol, and methane
B
compounds thymol, and methane
C
compounds, thymol and methane
D
compounds thymol and methane