When we balance this equation
Na₂O₂(s) + CO₂(g) ⇄ Na₂CO₃(s) + O₂(g)
We will get
2Na₂O₂(s) + 2CO₂(g) ⇄ 2Na₂CO₃(s) + O₂(g)
Balancing this equation
Na₂O₂(s) + CO₂(g) ⇄ Na₂CO₃(s) + O₂(g)
We have to balance the number of O, Na, C
2Na₂O₂(s) + 2CO₂(g) ⇄ 2Na₂CO₃(s) + O₂(g)
We will get the balanced equation
2Na₂O₂(s) + 2CO₂(g) ⇄ 2Na₂CO₃(s) + O₂(g)
The reaction quotient will be
Qc = [product] / [reactant]
Qc = [Na₂CO₃(s) + O₂(g)] / [ Na₂O₂(s) + CO₂(g)]
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