soft water is not a pure substance? Some research questions like Xiao Bian friends to ask questions, for which a small series to find a lot of information, with a look.
nature, mostly to hard water, which I almost everywhere in our lives, so many people it is a headache. The emergence of soft water machine, so that people began to aim to become hard water soft water. So, soft water is not a pure substance? Some ask the question of soft water do not understand people. 2020-06-04, small series to introduce relating to drinking water safety knowledge.
from a pure substance consisting of, constant composition, with a substance fixed physical and chemical properties, there is a special chemical symbol, it can be represented by a chemical formula.
The mixture obtained by the mixing of different substances, without a certain composition, can not be represented by a chemical formula. The nature of the mixture is not fixed, each maintaining its original material properties (e.g. no fixed melting, boiling).
soft water can only be said to be less soluble substance or no, can not absolutely say is not river water, distilled water are soft water. Distilled water is pure substance, the river is a mixture. Soft water with less soluble calcium and magnesium compounds contained in water; soluble calcium and magnesium compounds contained in hard water, more water, they generally contain impurities, so that they are only soft water mixtures [distilled water. is neat!]
by the introduction of small series, you are not already mastered the knowledge of soft water is not a pure substance, and if you want to learn more about water softeners can refer directly to it and other small drinking water safety knowledge, it to pay attention to the small series of articles in it, there are many families drinking little knowledge about drinking water.
Editor: Zhang Fu
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