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na2o2 he nahco3 hun he jia re dian xing shi ti fen lei li xi
Pages: 63-64
Year: Issue:  4
Journal: Education in Chemistry

Abstract:  Na2O2和NaHCO3,是无机化合物知识中十分重要的组成部分,主要因为:NaO2是我们认识的重要过氧化物,含有非极性共价键的离子化合物,是一种有特征颜色(浅黄色)的固体,遇水、CO2、酸等物质反应生成O2,可用作供氧剂,而NaHCO3是典型的弱酸的酸式盐,既能水解,也能电离,是电离、水解试题的典型代表,遇强酸生成CO2气体,遇强碱生成碳酸盐,受热时会分解生成CO2和H2O,且分解生成的CO2与...
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