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ID: 1241551
User: 59.90.99.73
Article: Hard water
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m (Reverted edits by DD dev (talk) to last version by Goodnightmush)
(Sources of hardness)
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==Sources of hardness==
 
==Sources of hardness==
Water's hardness is determined by the [[concentration]] of [[multivalent]] [[cations]] in the water. Multivalent cations are cations (positively charged [[metal complex]]es) with a charge greater than 1+. Usually, the cations have the charge of 2+. Common cations found in hard water include Ca<sup>2+</sup> and Mg<sup>2+</sup>. These ions enter a water supply by leaching from minerals within an [[aquifer]]. Common [[calcium]]-containing minerals are [[calcite]] and [[gypsum]]. A common [[magnesium]] mineral is [[dolomite]] (which also contains calcium). [[Rainwater]] and [[distillation|distilled]] water are [[soft water|soft]], because they also contain few [[ion]]s.<ref name=Ullmann>[[Hermann Weingärtner]], “Water” in [[Ullmann's Encyclopedia of Industrial Chemistry]], 2006[december], Wiley–VCH, Weinheim. {{DOI|10.1002/14356007.a28_001}}</ref>
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life can take many turns.i have seen people die infront of my eyes.that is not a joke.i see heros dying eveery now and then.its is not even funny. Water's hardness is determined by the [[concentration]] of [[multivalent]] [[cations]] in the water. Multivalent cations are cations (positively charged [[metal complex]]es) with a charge greater than 1+. Usually, the cations have the charge of 2+. Common cations found in hard water include Ca<sup>2+</sup> and Mg<sup>2+</sup>. These ions enter a water supply by leaching from minerals within an [[aquifer]]. Common [[calcium]]-containing minerals are [[calcite]] and [[gypsum]]. A common [[magnesium]] mineral is [[dolomite]] (which also contains calcium). [[Rainwater]] and [[distillation|distilled]] water are [[soft water|soft]], because they also contain few [[ion]]s.<ref name=Ullmann>[[Hermann Weingärtner]], “Water” in [[Ullmann's Encyclopedia of Industrial Chemistry]], 2006[december], Wiley–VCH, Weinheim. {{DOI|10.1002/14356007.a28_001}}</ref>
   
 
The following [[equilibrium reaction]] describes the [[dissolution (chemistry)|dissolving]]/formation of [[calcium carbonate]] scales:
 
The following [[equilibrium reaction]] describes the [[dissolution (chemistry)|dissolving]]/formation of [[calcium carbonate]] scales:
Reason: ANN scored at 0.964844
Reporter Information
Reporter: 6.97965666915598e-05 (anonymous)
Date: Friday, the 12th of August 2016 at 11:35:05 PM
Status: Reported
Friday, the 12th of August 2016 at 11:35:05 PM #105478
6.97965666915598e-05 (anonymous)

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