Table of Contents
What is the product of CaCO3 and h2o?
Calcium carbonate react with carbon dioxide and water to produce calcium hydrogen carbonate.
Why is CaCO3 insoluble in water?
The calcium carbonate is a strong ionic compound. It has a very high electrostatic force of attraction; because of this the atoms are very tightly held together. These attractions are so strong that it becomes difficult to break the bonds apart. And so calcium carbonate is insoluble in water.
How soluble is CaCO3 in water?
Calcium carbonate has a very low solubility in pure water (15 mg/L at 25°C), but in rainwater saturated with carbon dioxide, its solubility increases due to the formation of more soluble calcium bicarbonate. Calcium carbonate is unusual in that its solubility increases as the temperature of the water decreases.
What is CaCO3 in water?
Hardness is primarily caused by the presence of calcium and magnesium in the water. In general, hardness values of less than 75 mg/L as calcium carbonate (CaCO3) represent soft water, and values above 150 mg/L CaCO3 represent hard water.
What is the percent composition of CA?
100\% = 40.1\% Ca.
What is the mole ratio for caco3 and Cao?
Notice that you have 1:1 mole ratios across the board. One mole of calcium carbonate will decompose to form one mole of calcium oxide and one mole of carbon dioxide.
What happens when CaCO3 is added to water?
Calcium carbonate reacts with water that is saturated with carbon dioxide to form the soluble calcium bicarbonate.
Is CaCO3 aqueous or solid?
Calcium carbonate (CaCO3) is insoluble, so it is a solid in water.
What is the ratio of CaCO3 to H2O in calcium bicarbonate?
Similarly, in the reaction between CaCO 3, H 2 O and CO 2 to form calcium bicarbonate, Ca (HCO 3) 2 :- CaCO 3 + CO 2 + H 2 O → Ca (HCO 3) 2 , the ratio of CaCO 3 :H 2 O is also 1:1. This is the reaction which is responsible for the slow dissolution of CaCO 3 over long periods of time, to form cave systems in limestone deposits.
What is the solubility of CaCO3 in pure water?
When pure water is saturated with CaCO3 and CaC2O4 , then concentration of calcium ion in the solution under equilibrium is 8.426 × 10^-5 M . If the ratio of the solubility product of CaCO3 to that of CaC2O4 is 2.087 , what is the solubility product of CaCO3 in pure water.
What is the reaction between CaCO3 and HCl?
1 mole CaCO3 (100 g) reacts with 2 moles of HCl (36.5×2= 73 g) to produce 1 mole (44 g) of CO2. The limiting reactant here is CaCO3 as HCl is taken in greater amount than is required by the stoichiometric ratio. In other words, the entire amount of CaCO3 will be converted by HCl, which is present in excess.
What is the ratio of CaCO3 to H2O in a slurry?
If CaCO 3 and H 2 O are simply being mixed together, they can exist in almost any ratio. In this case, the ratio of CaCO 3 :H 2 O would represent the ratio of solids:liquid in a CaCO 3 slurry.