Brent Faiyaz- Make luv... No words

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.