1. the important of water
... the concentration of the ions is known in Molars, it can be converted to parts CaCO3 per million, the standard hardness unit. The following example is a guidline of how to convert the units. Example of calculation 2- 3.2 x10-3 mol CaCO3 x100 g CaCO3x1000 mg CaCO3=320 mg =320 mg=320 ppm liter mol CaCO3 1 g CaCO3 L 1000 g The last part of the experiment was ... ...
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