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1.What is the molality of a solution that contains 3.0g urea (molecular weight = 60 amu) in 100g of benzene?

1.What is the molality of a solution that contains 3.0g urea (molecular weight = 60 amu) in 100g of benzene?

2.Calculate the freezing point of a solution containing 2.50g of benzene in 120g of chloroform?

3. A solution containing 2.00g of an unknown substance in 25.0g of naphthalene was found to freeze at 75.4 degrees C. What is the molar mass of the unknown substance?

4. How many grams of NaNO3 would you add to 250g of H2O in order to prepare a solution that is .500 molal in NaNO3?

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