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March 29, 2017

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How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep it from freezing at -16 oC?Kf = 1.86 oC/m.

  • chemistry - ,

    freezingptdepression=Kf*molality
    -16=-1.86*molesglycol/1kg

    solve for moles glycol
    then convert that to grams.

  • chemistry - ,

    0.115

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