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If an 0.650 m aqueous solution freezes at –2.00 °C, what is the van't Hoff factor, i, of the solute? Kf values can be found here.

the Kf value is 1.86 °C/m.

I get 2 for the answer but it is wrong. Please help!

  • Chemistry - ,

    delta T = i*Kf*m
    2.00 = i*1.86*0.650
    i = (2.00/1.86*0.65) = ?
    I obtained 1.65 for i.

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