Setarakan persamaan reaksi berikut :
1. CuH10(9)+O2(9) --> CO2(9) + H2O(l)
2.CaCO3(3) + HCl(aQ) -->CaCl2(aQ) + H2O(l) + CO2(9)
3.NaOH(aQ)+HCl(aQ) --> NaCl(aQ)+ H2O(l)
4.ZnS(s) + O2(9) --> ZnO(s) + SO2(9)
1. CuH10(9)+O2(9) --> CO2(9) + H2O(l)
2.CaCO3(3) + HCl(aQ) -->CaCl2(aQ) + H2O(l) + CO2(9)
3.NaOH(aQ)+HCl(aQ) --> NaCl(aQ)+ H2O(l)
4.ZnS(s) + O2(9) --> ZnO(s) + SO2(9)
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2. 1, 2, 1, 1, 1
3. 2,2,2,2
4. 1,