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1.用氯酸钾和二氧化锰混合制氧时, 两种药品的质量比应为:氯酸钾:二氧化锰=3:1,因为在这种情况下反应速率最大。如果二氧化锰晶体的颗粒较粗,要慢慢压碎,切不可研磨或与氯酸钾混合后再研磨。
1. When oxygen is mixed with potassium chlorate and manganese dioxide, the mass ratio of the two drugs should be: Potassium chlorate: Manganese dioxide = 3:1 because the reaction rate is the highest in this case. If the particles of manganese dioxide crystals are coarse, they should be crushed slowly and must not be ground or mixed with potassium chlorate and then ground.