实验室为探究铁与浓硫酸的反应并验证so2的性质设计如图所示装置进行实验.请回答下列问题1实验时a中导管a插入浓硫酸中可使b中的溶液 Template




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tomski实验室为探究铁与浓硫酸的反应并验证so2的性质设计如图所示装置进行实验.请回答下列问题1实验时a中导管a插入浓硫酸中可使b中的溶液 coloring