Asked by | 10th May, 2008, 01:04: PM
The proportionality constant Kf depends on the nature of the solvent is known as Freezing point depression or Cryoscopic constant.
Parts per million is the unit where the hardness of water is checked. Its the units in 1 million parts of water.This is a way of expressing very dilute concentrations of substances. Just as per cent means out of a hundred, so parts per million or ppm means out of a million. Usually describes the concentration of something in water or soil. One ppm is equivalent to 1 milligram of something per liter of water (mg/l) or 1 milligram of something per kilogram soil (mg/kg).
Answered by | 11th May, 2008, 04:52: AM
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