AgNO3 – Soluble. Most silver salts are insoluble. 0.00015 mol/L or 0.015 g/L(25°C. Close. but co2 mix in water befuor the mix in caco3 . NaSO4-Soluble. caco3 is solid form. But to all extent and puropses, we say these things are insoluble. Calcium carbonate, CaCO3, is insoluble in water. Posted by 4 years ago. This is due to carbon dioxide from air dissolved in the rain water. hydroxides OH-are insoluble except the slightly soluble Ca(OH) 2, and the soluble salts of Group 1 metals and ammonium, and Sr and Ba from Group 2 ; most phosphates PO 4 3-and carbonates - CO 3 2-are insoluble except salts of Group 1 metals and ammonium, NH 4 + all oxides are insoluble except those of Group IA metals. What is the distinguishing observation. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 5. There is a good reason for this, and if you are an undergrad you will be able to give the reason. Question: ID a reagent used in this experiment to distinguish CaCl2 from CaCO3. But all carbonates are readily decomposed by acids into soluble salts with the evolution of CO2. That is why a white precipitate is formed when carbon dioxide is passed into lime water. Important exceptions to this rule are halide salts of Ag+, Pb2+, and (Hg2)2+. NH3 – Soluble in water. Start studying Soluble/Insoluble. 3. All carbonates are insoluble except for those of the alkali metals...That's the general rule. CaCl2 vs CaCO3 soluble/insoluble. CaCl2 vs CaCO3 soluble/insoluble. LiBr – Soluble in water. so caco3 is soluble after mixing the co2 . its density is high so caco3 is not soluble in water. Archived. 1. If you want to quickly find the word you want to search, use Ctrl + F, then type the word you want to search. HOWEVER rain water dissolves calcium carbonate, as in the formation of caves in limestone [ a form of CaCO3]. CaCO3 – Slightly soluble in water i.e. Thus, AgCl, PbBr2, and Hg2Cl2 are all insoluble. I just wanted to check my answer on a chem question, was having a bit of difficulty. AgCl-Slightly soluble in water i.e.520 μg/100 g at 50 °C (it is nsoluble in water ) KI – Soluble in water. CaSO4 –Soluble in water. AgNO3 and Ag(C2H3O2) are common soluble salts of silver; virtually anything else is insoluble. Salts containing Cl -, Br -, I - are generally soluble. As a matter of fact, lithium carbonate is not terribly soluble in water, and is less soluble in water than Na_2CO_3, K_2CO_3; and interestingly, Li_2CO_3 is LESS soluble in hot water. CaCO3 ( Calcium carbonate ) is Insoluble in water I'll tell you the Soluble or Insoluble bond list below. 4. ZnPO4 – Insoluble in water.