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calcium and magnesium - but also carbonate if you were to choose a third

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13y ago
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10y ago

chloride,sulphates and bicarbonates of calcium and magnesium

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Q: What are the two ions that are most commonly responsible for hard water?
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Element that is responsible for making water hard?

The metal cations are responsible for making water hard. Examples of these cations includes the calcium ions, the magnesium ions, the aluminum ions, and the manganese ions.


The particle responsible for acid properties in water is?

Hydrogen ions


Why might sodium carbonate be added to hard water to aid in cleaning?

The hard ions in the water are more attracted to the carbonate ions -2 charge


What are ions in water?

hydrogen and oxygen ions and some times impurities


What ions are present in hard water if it contains calcium chloride dissolved in distilled water?

ya mamHard water contains calcium and magnesium ions that cause hard water stains and limescale formation.


Will the water be limescale free once boiled?

Hard water has high concentrations of Ca2+ and Mg2+ ions dissolved in it. Boiling the water causes these ions to come out of the water as lime scale. However it does not remove all the ions causing hard water. To do this you need to pass the water though a 'de-ionising' filter.


Why hard water is unfit for usage?

Hard water contains a lot of ions , which can lead to the build up of limescale.


What do you mean by the water is hard and water is soft?

Hard water has natural ions dissolved in it. It keeps shampoo for forming suds, it forms soap scum, and it leaves calcium and other deposits in your plumbing. Soft water doesn't have these ions.


What do copper sulphate crystals contain?

Copper ions, Cu2+, sulfate ions, SO42- and in the most commonly encountered form,CuSO4.5H2O water =)


What is the name of the formula CaCO3?

The name of the chemical formula CaCO3 is calcium carbonate. Calcium carbonate is commonly found in rocks and is created when ions in hard water react with carbonate ions to create limescale. The hardness of water is measures in ppm CaCO3.


What is the concentration of hydrogen ions commonly expressed as?

The concentration of hydrogen ions is commonly expressed as pH.


What can you find in large quantities in hard water?

Usually calcium & magnesium ions.