Propylene Glycol, C₃H₆(OH)₂, Is Sometimes Used in Automobile Antifreeze Solutions

question 44

Multiple Choice

Propylene glycol, C₃H₆(OH) ₂, is sometimes used in automobile antifreeze solutions. If an aqueous solution has a mole fraction of c _{C3H6(OH) 2} = 0.100, what is the molality of the propylene glycol in this solution?

• A) 5.55×10 ^{- 3} m
• B) 4.20 m
• C) 5.55 m
• D) 6.17 m
• E) 118 m

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