Which choice completes the text so that it conforms to the convention…

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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 liquid ______ have molar masses of 186.06 and 156.31 g/mol, respectively.

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

compounds, hexafluorobenzene (

C_{6} F_{6}

) and undecane (

C_{11} H_{24}

)

compounds, hexafluorobenzene (

C_{6} F_{6}

) and undecane (

C_{11} H_{24}

compounds hexafluorobenzene (

C_{6} F_{6}

) and undecane (

C_{11} H_{24}

)

compounds hexafluorobenzene (

C_{6} F_{6}

) and undecane (

C_{11} H_{24}