Complete this equation for the dissociation of na2co3(aq). omit water from the equation because it is understood to be present.
2 answers:
<u>Answer:</u> The chemical equation is written below.
<u>Explanation:</u>
Sodium carbonate is an ionic compound and its dissociation will lead to the formation of its respective ions.
This compound is formed by the combination of sodium and carbonate ions.
The chemical equation for the dissociation of sodium carbonate follows:
By Stoichiometry of the reaction:
1 mole of sodium carbonate produces 2 moles of sodium ions and 1 mole of carbonate ion.
Hence, the chemical equation is written above.
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From the given balanced equation we have find out the amount (in gm) of Ag formed from 5.50 gm of Ag₂O.
2Ag₂O(s) → 4Ag (s) + O₂ (g)
We know, molecular mass of Ag₂O= 231.7 g/mol, and atomic mass of Ag= 107.8 g/mol. Given, mass of Ag₂O=5.50 gm. Number moles of Ag₂O== 0.0237 moles.
From the balanced chemical reaction we get 2 (two) moles of Ag₂O produces 4 (four) moles of Ag. So, 0.0237 moles of Ag₂O produces moles=0.0474 moles of Ag= 0.0474 X 107.8 g of Ag=5.11g Ag.
Therefore, 5.50 g Ag₂O produces 5.11 g of Ag as per the given balanced chemical reaction.