A Solution That Contains 3

question 122

Multiple Choice

A solution that contains 3.00 g of urea [CO(NH₂) ₂] dissolved in 78.1 g of benzene (C₆H₆) has a freezing point of 2.37 ° C. The normal freezing point of benzene is 5.51 ° C. What is the freezing point depression constant for this solvent?

• A) 1.18 ° C/m
• B) 1.86 ° C/m
• C) 4.90 ° C/m
• D) 59.8 ° C/m
• E) none of these

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