sierraspencer47 sierraspencer47

09-11-2022
Chemistry

Answered

Assume that the solubility of CaCl2 at this temperature is 70.1 g CaCl2/100.0 g of H2O and that the van't Hoff factor for a saturated solution of CaCl2 is i = 2.5. The Kf for water is 1.86°C/m.
CaCl2 is often used to melt ice on sidewalks. Could CaCl2 melt ice at -31.0°C?
What is the minimum amount of CaCl2 that would be required to melt ice on sidewalks at the above temperature? Use 100.0 g of water as the amount of solvent.

Answer :

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