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463Z",")、弱电解质(弱酸、弱碱、水)一律写化学式。",{"title":469,"searchDepth":470,"depth":470,"links":471},"",2,[472],{"id":313,"depth":470,"text":314,"children":473},[474],{"id":160,"depth":475,"text":160},3,null,"介绍离子方程式的概念、书写步骤和规律，以及离子反应的特点。","md",{},true,{"title":160,"description":477},"eaGXuT_W-cCC5_J2CB7dpETq2xTsLRfXXOkR-u1kqtw",[484,486],{"title":156,"path":157,"stem":158,"description":485,"children":-1},"讲解物质的计量概念，包括物质的量、摩尔质量、气体摩尔体积和物质的量浓度的定义、单位和计算公式。",{"title":164,"path":165,"stem":166,"description":487,"children":-1},"讲解离子共存的判断、常见阳离子和阴离子的检验方法，以及离子推断的技巧。",1778558886825]