when measuring the rate at which the mass of copper metal decreases during a reaction with nitric acid,why can't you just put the reaction vessel on a digital balance and record the decrease in mass as the copper is used up?
人气：109 ℃ 时间：2020-08-18 06:05:10
解答
没说是浓硝酸还是稀硝酸,也没说过不过量……
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