Lab 27. stoichiometry and chemical reactions: which balanced chemical equation best represents the thermal decomposition of sodium bicarbonate?

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PigeonP9605 PigeonP9605

27-04-2018
Chemistry

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Lab 27. stoichiometry and chemical reactions: which balanced chemical equation best represents the thermal decomposition of sodium bicarbonate?

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Answer:
Sodium Bicarbonate on decomposition produces Carbon dioxide gas and Water vapors.

2 NaHCO₂ → Na₂CO₃ (s) + CO₂ (g) + H₂O (g)

Explanation:
Let suppose you burn 168 g ( 2 moles ) of NaHCO₃, a gas will produced and product is left behind. On measuring the product formed it will be almost equal to 105 g. This shows that the product is Na₂CO₃ and 1 mole of it is being produced after decomposition of sodium bicarbonate.