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Hard water refers to the presence of dissolved ions, mainly of calcium Ca2+ and magnesium Mg2+ which are acquired through contact with rocks such as limestone and dolomite which contain calcium and magnesium.The research aspect of this science fair project is to use a conductivity device to determine which actions will reduce the ionic concentration of hard water better, the addition of washing soda or rain water.

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Mapa kontzeptuala: Which Addition to Hard Water would Reduce its Conductivity, Washing Soda or Rain Water?

Kide hauentzat bakarrik:

D/i/d/a/c/t/a/l/i/a
Saioa hasteko

Mira un ejemplo de lo que te pierdes

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Fecha publicación: 12.5.2016

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