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A solution is prepared by mixing 12.0g of unknown electrolyte with 80.0g of water. The solutions...

A solution is prepared by mixing 12.0g of unknown electrolyte with 80.0g of water. The solutions freezes at -1.94C. The freezing point of pure water is 0.0C. the value of Kf for water is 1.86C/m.

a) what is the molality of the solution?

b)what are the moles of unknown electrolyte in the solution?

c)what is the molecular weight of the unknown?

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