A mixture containing KClO3, K2CO3, KHCO3, and KCl was heated, producing CO2, O2, and H2O gases according to the following equations:
2 KClO3(s)→2 KCl(s) + 3 O2(g)
2 KHCO3(s)→K2O(s) + H2O(g) + 2 CO2(g)
K2CO3(s)→K2O(s) + CO2(g)
The KCl does not react under the conditions of the reaction. If 100.0 g of the mixture produces 1.80 g of H2O, 13.20 g of CO2, and 4.00 g of O2, what was the composition of the original mixture? (Assume complete decomposition of the mixture.)
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