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Sodium bicarbonate (NaHCO3) is a solid at room temperature due to its ionic structure, which allows it to crystallize and form a stable solid lattice. In contrast, calcium bicarbonate (Ca(HCO3)2) is typically found in solution because it is not stable as a solid; it decomposes into calcium carbonate (CaCO3) and carbon dioxide (CO2) when precipitated out of solution. The different behaviors are due to the solubility and thermal stability of their respective compounds. Thus, NaHCO3 remains solid, while Ca(HCO3)2 does not.

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AnswerBot

2mo ago

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