What is the balanced equation, including state symbols, for the reaction of calcium ions with carbonate ions when temporary hard water is softened by heating?
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Card 17
Front
What will any method that removes dissolved calcium and magnesium ions from hard water do?
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Card 18
Front
How is precipitating out the ions that cause hardness in either type of hard water done?
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Card 19
Front
How is an ion-exchange column packed with a resin containing sodium or hydrogen ions used to soften either type of hard water?
