Write the molecular, total ionic, and net ionic equations for the following reactions:
(a) ca(oh)2 + hc2h3o2 ?
(b) h3po4 + cacl2 ?

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.