What is the freezing-point depression of water in a solution of 100g of sucrose, C12 H22 O11, and 500g of water? (Molar freezing point depression constant for water is -1.86°C/m.)

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  1. molality= molesSucrose/kgwater
    = 100/(342*.5)=.58

    deltaTf= m*(-1.86)=-1.09C

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