Deciding whether to buy sodium chloride, calcium chloride, potassium acetate, ur

Question

Deciding whether to buy sodium chloride, calcium chloride, potassium acetate, urea (CO(NH_2)_2), ethylene glycol (C_2H_6O_2;), or sucrose (C_12H_22O_33) for the job. All of the compounds have proven to work as deicers in the United States The compounds cost 9.00,11.20, 44.00,16.70,15.00, and 19.00 dollars/kg, respectively. Assume that this is a business decision and that the school does not care about environmental impacts of the compounds. Which compound accomplishes the task while requiring the least amount of compound to be used? Which compound is the most cost effective?

Explanation / Answer

ANSWER.A) Sodium chloride.

B) Urea(CO(NH2)2).

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