下列有关实验操作的叙述正确的是a.实验室常用上图所示的装置制取�量的乙酸乙酯b.用50ml酸式滴定管可准确量取2500mlkmno4溶液c.用量筒取500ml 100mol·l 1盐酸于 Template




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tomski下列有关实验操作的叙述正确的是a.实验室常用上图所示的装置制取�量的乙酸乙酯b.用50ml酸式滴定管可准确量取2500mlkmno4溶液c.用量筒取500ml 100mol·l 1盐酸于 coloring