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Can calcium carbonate be dissolved in water?
Last Updated: 18th February, 2020
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People also ask, does CaCO3 dissolve in water?
Calcium carbonate has a very low solubility inpure water (15 mg/L at 25°C), but in rainwater saturatedwith carbon dioxide, its solubility increases due to the formationof more soluble calcium bicarbonate. Calcium carbonateis unusual in that its solubility increases as the temperatureof the water decreases.
Also Know, what methods can be used to solubilize calcium carbonate? To solubilize calcium carbonate, one must addcalcium carbonate to water first to make an aqueoussolution, then add acid to observe a reaction. It willdissolve into the acid forming carbon dioxide , but not into water.When calcium carbonate is mixed with carbon dioxide in waterthe solubility increases.
Hereof, what happens when calcium carbonate reacts water?
Calcium carbonate doesn't react with purewater, but it does react with carbonic acid, that is,water with dissolved carbon dioxide, to produce solublecalcium bicarbonate. It dissociates back to calciumcarbonate when the water is boiled, causing limescale.
How does calcium carbonate affect pH?
It is a salt of a fairlystrong base (calcium hydroxide ) and a weak acid (carbonicacid). In aqueous solution such salts undergo hydrolysis to givefree OH- ions, and so the solution will be basic incharacter.