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Is CaCO3 more soluble in acid or water and why?

April 26, 2017acid caco3 Chemistry Mathematics soluble water

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Is CaCO3 more soluble in acid or water and why?

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CaCO3 is practicaly unsoluble in water because the polarized moleculles of water cannot penatrate the CaCO3 lattice. But any kind of acid is able to react with the -2(CO3) and create another Ca salt realising CO2 ,for example : CaCO3 + 2HCl = CaCl2 + H2O + CO2 . CaCl2 is very soluble.