In the winter of 1994, record low temperatures were registered throughout the United States. For example, in Champaign, Illinois, a record low of...

In the winter of 1994, record low temperatures were registered throughout the United States. For example, in Champaign, Illinois, a record low of -29°F was registered. At this temperature can salting icy roads with CaCl2 be effective in melting the ice? (The solubility of CaCl2 in cold water is 74.5 g per 100.0 g of water.) Assume i = 3 for CaCl2 and explain