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addition of which of the following will increase the solubility of caco3 in water? consider the equilibrium process: caco3(s) ⇌ ca2+(aq) + co32-(aq) carefully consider common ions, and whether any species present in solution can react with the additives. select all that apply.

Sagot :

The substance that will increase the solubility of CaCO₃ in water is;

B: HCl

Solubility Product Constant

We are considering the equilibrium process;

CaCO₃ ⇌  Ca²⁺ (aq) + CO₃²⁻ (aq)

Looking at the options, the only one that increase the solubility of calcium carbonate(CaCO₃) in water is HCl.

This is because CaCO₃ dissolves in HCl acid to produce CO₂ gas since it will not dissolve in pure water.

Now, the solubility product constant Ksp for calcium carbonate (CaCO₃) in water is 3.4 x 10⁻⁹ mol/dm³ which is very low.

Thus, the chemical reaction that takes place when CaCO₃ is dissolved in HCl acid is;

CaCO₃ (s) + 2HCl(aq) → CaCl₂ (aq) + H₂CO₃(aq)

The missing options are;

a. Na₂CO₃

b. HCl

c. NaHSO₄

Read more about Solubility Product Constant at; https://brainly.com/question/13131044

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