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?
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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?
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?
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?
没说是浓硝酸还是稀硝酸,也没说过不过量……
当你测量铜金属与硝酸反应速率时,为什么不能把反应容器放到数码称上,等铜金属反应完时记录重量的下降呢?