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The chemical formula of lime or quicklime is CaO. The chemical name of lime is calcium oxide. On the other hand, the chemical formula of limewater is Ca(OH) 2 and the chemical name of this substance is calcium hydroxide.
Chemical Formula: Ca(OH)₂ (Calcium hydroxide) Lime Water Test: Lime water turns milky/cloudy when carbon dioxide is passed through it, indicating the presence of carbon dioxide.
limewater. in A Dictionary of Chemistry (6) Length: 73 words. A saturated solution of calcium hydroxide in water. When carbon dioxide gas is bubbled through limewater, a ‘milky’ precipitate of calcium carbonate is formed:Ca (OH)2 (aq)+CO2 (g) → CaCO3 (s)+H2O (l) If the carbon dioxide continues to be bubbled through, the calcium ...
To calculate quicklime or hydrated lime dosage, mg/L, use the following equation: Where: A = CO 2 in source water (mg/L as CO 2 x 56/44) B = bicarbonate alkalinity removed in softening (mg/L as CaCO 3 x 56/100) C = hydroxide alkalinity in softener effluent (mg/L as CaCO 3 x 56/100) D = magnesium removed in softening (mg/L as Mg x 56/24.3)
Dolomitic hydrated lime (pressure) - this lime is produced from dolomitic quicklime under pressure, which results in hydrating all of the magnesium oxide as well as all of the calcium oxide, producing the following chemical composition: 40 to 42 percent calcium oxide, 29 to 30 percent
Lime (calcium oxide) is a white solid with strongly basic properties. Lime reacts readily with water to produce slaked lime, which is the chemical compound calcium hydroxide. A considerable amount of heat energy is released during this reaction.
Chemguide: Core Chemistry 14 - 16. Limestone, quicklime and slaked lime. This page looks at the origin and uses of limestone, and its conversion into quicklime, CaO, and slaked lime, Ca (OH) 2. Limestone and marble. Chemically, limestone is calcium carbonate.
