Magnesium Chloride Is Often Used to Melt Ice on Sidewalks

question 53

Multiple Choice

Magnesium chloride is often used to melt ice on sidewalks. Considering that the solubility of magnesium chloride (95.21 g/mol) in water is 54.3 g per 100.0 g of water, what is the lowest temperature that you would expect to be able to melt ice with magnesium chloride? Assume ideal behavior. K_f(water) = 1.86°C/m

• A) -40°C
• B) -32°C
• C) -11°C
• D) -25°C
• E) -22°C

---

Definitions:

Favorable Genes

Genetic traits that are advantageous to an organism's survival and reproduction, often highlighted in discussions of genetic inheritance and natural selection.

Positive Eugenics

Encourages the reproduction of individuals with traits considered desirable to increase their occurrence in the population.

Preimplantation Screening

A technique used in assisted reproductive technology to test embryos for genetic conditions before implantation.

Jeff McMahan

An American philosopher known for his contributions to ethical theory, particularly in the areas of war, killing, and bioethics.