摘要:32.A,碳 C:钠 D:硫 (2) (3)2Na2O+2CO2=2Na2CO3+O2 (4)Cl2+H2O=Cl-+H++HClO (5)C6H6(1)+15/2O2(g)=6CO2(g)+3H2O(1) △H=-3260.4kJ/mol
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