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The moial freezing poirt depression constant Kf=4.41Ckgmol1 for a certain substance X. When 20.46g of urea ((NH2)2CO) are dissoived in 800,g of X, the solution

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The moial freezing poirt depression constant Kf=4.41Ckgmol1 for a certain substance X. When 20.46g of urea ((NH2)2CO) are dissoived in 800,g of X, the solution freezes at 1.2I. Calculate the freezing point of pure X. Be sure yout answer has the correct number of significant digits

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