某校化学兴趣小组的同学利用如图所示装置进行实验.实验目的用高锰酸钾制取一瓶氧气粗略测定加热2g高锰酸钾所收集到的氧气体积.仪器认识 Template




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tomski某校化学兴趣小组的同学利用如图所示装置进行实验.实验目的用高锰酸钾制取一瓶氧气粗略测定加热2g高锰酸钾所收集到的氧气体积.仪器认识 coloring