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Atoms and Molecules — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
Question
Work out the formula for magnesium hydrogencarbonate.
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Answer

A compound, $Mg(HCO3)2,$ that is stable only in solution. It is formed by the action of carbon dioxide on a suspension of magnesium carbonate in water: $MgCO3(s)+CO2(g)+H2O(l) → Mg(HCO3)2(aq)$ On heating, this process is reversed.

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