by 
.Envy.
ANSWERS: 5
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CaCO3(calcium carbonate) dissolves in vinegar as c2h4o2(acetic acid)vinegar as a chemical change occur which turn the calcium carbonate to calcium acetate
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Calcium carbonate is rock. Rock doesn't dissolve in water--and a good thing, too! However, it does dissolve in acid, which is not always the same as saying it reacts chemically with acid, because as far as I know after the acid is neutralized or removed, calcium carbonate precipitates back out as rock. You can see this especially in your teapot, if you boil hard water every day. Tap water has some carbon dioxide in it from atmospheric and underground sources. This carbon dioxide in the water becomes carbonic acid. It makes the water acidic enough to dissolve a little calcium carbonate (limestone) as it moves through the ground. It stays dissolved in your tap water until you boil it, at which point the carbon dioxide evaporates first, the water stops being acidic and the lime becomes stone again on the inside of your teakettle.
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CALCIUM CARBONATE IS ANT-ACID IF SUBMERGE TO ANY ACID IT WILL DISSOLVE TO CO2 AND H2O
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CaCO3 + 2 CH3COOH-----ïƒ Ca(CH3COO)2 + H2O + CO2 Reaction betweenchalk (calcium carbonate) and vinegar (acetic acid, dilute) to produce carbondioxide, water and calcium acetate
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calcium carbonate compound is insoluble in water but it dissolve in any acidic media , which pH factor indicate its less than 7 , when its above 7 its alkali media which calcium carbonate will not dissolve in
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