1.12dm3
2.24dm3
5.6dm3
56.0dm3
Correct answer is C
2NaHCO3(s) → 2Na2CO 3(S) + CO 2(g) + H2O(g)
2 moles of 2NaHCO3(s) produces 22.4dm3 of CO2
0.5 moles of 2NaHCO3 will produce 0.5×22.42
= 11.22
= 5.6 dm3
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