Question

Observation when acetic acid is added to calcium carbonate​

Answer 1

Answer:

The vinegar (acetic acid) reacts with the eggshell (calcium carbonate) to produce a water-soluable compound, calcium acetate, and carbon dioxide gas (the bubbles on the eggshell). Water is NOT produced from this reaction--vinegar has water in it as in diluted to 5-10% acidity

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Answer 2

Answer: CO2 is released therefore effervescence is seen.