Can someone please help me if you can’t do A B and C Just do A and also for A it’s asking for what the air temperature is not the definition I will also give Brain to who ever knows the Answer thanks

Iam in desperate need of with this !

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.