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  • Sodium Sulfide Dissolved in Water Equation

Sodium Sulfide Dissolved in Water Equation

硫化钠($Na_2S$)溶于水的相关文言文可创作如下:

夫硫钠之物,入水则起变。硫钠者,$Na_2S$ 也。其于水中,钠离析为离子,$Na_2S \stackrel{水}{\longrightarrow} 2Na^ + + S^{2 - }$ 。而硫离子又与水相亲,生氢硫根离子与氢氧根离子,$S^{2 - } + H_2O \rightleftharpoons HS^ - + OH^ - $ ,此乃硫钠溶于水之变也,水液因之呈碱性,皆源于此变化耳。



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