摘要
以硫酸铜溶液和硫化钠溶液构建的复杂反应体系为例,探究了2种溶液发生反应生成产物的成分,并借助数字化实验技术,探究了溶液的酸碱性、溶液中的溶解氧等因素是否对硫酸铜溶液和硫化钠溶液发生氧化还原反应产生影响。实验结果表明:硫酸铜溶液和硫化钠溶液的反应产物与溶液的浓度有关,且硫酸铜溶液和硫化钠溶液发生氧化还原反应与溶液的酸碱性有关,溶液酸性增强,有利于硫酸铜发生还原反应,溶液碱性增强,有利于硫化钠发生氧化反应,而溶液体系中的溶解氧对反应的影响不大。
Taking the complex reaction system constructed by CuSO_(4)solution and Na_(2)S solution as an example,the composition of the reaction product between the two solutions was explored.Using digital experimental technology,the effects of factors such as the acidity and alkalinity of the solution and dissolved oxygen in the solution on the oxidation-reduction reaction between CuSO_(4)solution and Na_(2)S solution were investigated.The experimental results show that the reaction products between CuSO_(4)solution and Na_(2)S solution are related to the concentration of the solution,and the oxidation-reduction reaction between CuSO_(4)solution and Na_(2)S solution is related to the acidity and alkalinity of the solution.The enhanced acidity of the solution is conducive to the reduction reaction of CuSO_(4),while the enhanced alkalinity of the solution is conducive to the oxidation reaction of Naz S.The dissolved oxygen in the solution system has little effect on the reaction.
作者
王春
郑晓红
WANG Chun;ZHENG Xiao-Hong(Beijing Institute of Education,Beijing 100120,China;Lize Middle School Affiliated to Capital Normal University,Beijing 100071,China)
出处
《化学教育(中英文)》
北大核心
2025年第15期96-101,共6页
Chinese Journal of Chemical Education
基金
北京教育学院中学理科实验创新平台项目(编号:XKCXPT0309)。
关键词
硫酸铜溶液
硫化钠溶液
反应产物
影响因素
实验探究
CuSO_(4) solution
Na_(2)S solution
reaction products
influence factor
experimental exploration
