Assume you have 0.137 mol of dimethylglyoxime (used in the laboratory to test for nickel(II) ions). What mass of the compound is present?

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.