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anonymous
 one year ago
Using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk
anonymous
 one year ago
Using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk

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sweetburger
 one year ago
Best ResponseYou've already chosen the best response.2Think of the freezing point depression equation which would be \[\Delta T= i K f m \]. I represents the number of ions the salt dissociates into which salt given in the question dissolves into more ions?

sweetburger
 one year ago
Best ResponseYou've already chosen the best response.2Alrighty so when a salt dissociates into a substance it breaks off into its respective ions.

sweetburger
 one year ago
Best ResponseYou've already chosen the best response.2Then for NaCl it breaks into 2 ions being Na+ and Cl. Then for CaCl2 it breaks into 3 ions that being 1 Ca2+ and 2Cl.

sweetburger
 one year ago
Best ResponseYou've already chosen the best response.2This leaves us with the larger i factor of CaCl2.

sweetburger
 one year ago
Best ResponseYou've already chosen the best response.2I think the i is reffered to as the van't hoft factor to be specific.

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.1Yes i is the van't Hoff dissociation factor

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Hang on, is this from a test?? I think I've solved a problem like this on a test before

sweetburger
 one year ago
Best ResponseYou've already chosen the best response.2Could be but this problem is extremely common in general chemistry courses.

JTfan2000
 one year ago
Best ResponseYou've already chosen the best response.0yes its from a test. cheaters...
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