A. How many moles AgNO3 will need to make 6.5 moles of Ca (NO3)2? b. How many moles of CaCl2 are needed to produce 0.500 moles of AgCl?
c. How many moles of CaCl2 are needed to react with 0.750 moles of AgNO3?

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.