论文部分内容阅读
一、通过计算求氧化产物或还原产物的化学式例1硫代硫酸钠可作为脱氯剂,已知25.0mL 0.100mol·L~(-1) Na_2S_2O_3溶液恰好把224mL(标准状况下)Cl_2完全转化为Cl~-离子,则S_2O_3~(2-)将转化成().A.S~(2-)B.S C.SO_3~(2-) D.SO_4~(2-)
First, by calculating the oxidation product or reduction product of chemical formula 1 sodium thiosulfate can be used as a dechlorination agent, it is known 25.0mL 0.100mol · L -1 Na2S_2O_3 solution just 224mL (standard conditions) Cl_2 completely converted (2-) BS C.SO_3 ~ (2-) D.SO_4 ~ (2-) is Cl ~ - ion, then S_2O_3 ~ (2-)