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Addition of sodium carbonate is a way to soften water by removing calcium ions
Water can be softened by the addition of lime to precipitate the calcium as carbonate. Sodium carbonate is also added to remove the remaining calcium salts and to make the water soft.
So we can conclude that addition of lime or sodium carbonate is a way to soften water by removing calcium ions.
Learn more about calcium here: https://brainly.com/question/26636816
A process based on ksp experiment to soften the water by removing calcium ions is by ion exchange resin process in which the calcium ion is substituted by a sodium ion.
The water containing a large number of calcium ions is called hard water.
Hard water is not suitable to use.
To remove calcium ion or soften the water, there are various methods are used.
They are ion exchange resin, distillation, and sodium hydroxide.
Thus, a process based on ksp experiment to soften the water by removing calcium ions is by ion exchange resin process in which the calcium ion is substituted by a sodium ion.
Learn more about softening water
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