Achemist prepares two solutions: one from 28 g potassium bromide (kbr) and 1 kg water; and the other from 28 g sodium iodide (nai) and 1 kg water. what information is most useful to determine the solution that has the lower freezing point? the density of each solution in grams per liter the crystal structures of kbr and nai the molar masses of kbr and nai the molar mass of water

Molar masses of KBr and NaI

Explanation:

From the the above formula ,we can say that is inversely related to molar mass of the compound. Lower the value of molar mass more will be the value of which means more will be the lowering in the freezing temperature of that solution and vice-versa.

For KBr

for water is = 0.59 K kg/mol

For NaI

for water is = 0.59 K kg/mol

Since, all the values beside molar mass are same. The information of molar masses of KBr and NaI will be most useful to determine the solution that has the lower freezing point.

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