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anyone know the formula of limewater
It is an aqueous solution of calcium hydroxide; therefore Ca(OH)2 (aq).
Then I assume the cloudyness created by mixing with CO2 is caused by Calcium particles in the solution?
calcium carbonate (limestone) is formed
Ca(OH)2 + CO2 -> CaCO3 + H20
WebElements: the periodic table on the WWW [http://www.webelements.com/]