How Many Moles Are in a Sample of Ethylene Glycol

question 137

Multiple Choice

How many moles are in a sample of ethylene glycol (commonly found in antifreeze) , HOCH₂CH₂OH, that has a volume of 250.0 mL? The molar mass and density of ethylene glycol are 62.07 g/mol and 1.11 g/mL, respectively.

• A)4.47 mol
• B)0.276 mol
• C)3.63 mol
• D)1.40 × 10⁴ mol
• E)1.72 × 10⁴ mol

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