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zԭ 1 ԭϚcÓҺ|H2ScҺЉAñգ H2S+Na2CO3=NaHS+NaHCO3 2 ڷۃ߃rxɆ| NaHS+NaHCO3+2NaVO3======S+Na2V2O5+Na2CO3+H2O ͬrɵĵ̓rxӱB|߃rx Na2CO3+H2O Na2V2O5+Q()========2NaVO3+HQ() 3 ڇۃȿ՚⌢ӑBB 2HQ+1/2O2====2Q+H2O ĿǰÓֻÓ䲻ÓЙCҺijЩ|tɲ ÓЙC |