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Given that the value of kf for water is 1.86 o C/m.What is the freezing point of an aqueous solution of NaCl preparedby mixing 427.0g

Given that the value of kf for water is 1.86oC/m.What is the freezing point of an aqueous solution of NaCl preparedby mixing 427.0g solute with 1.000kg of water?
Please show each step very clearly, and try to explain youranswer as you go to help me understand this. full kharma pointsrewarded for clear explanation..thanks for the help.

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