20[填空题] 用库仑法进行定量分析时，要取得准确分析结果的关键在于：⑴保证电极反应的电流效率是100%的为被测离子所用。⑵要能准确地测定流过电解池的。⑶要能准确地指示电解的结束。 - 查题网

>> 河南成教 / 仪器分析

河南成教 / 仪器分析

20[填空题]

用库仑法进行定量分析时，要取得准确分析结果的关键在于：⑴保证电极反应的电流效率是100%的为被测离子所用。⑵要能准确地测定流过电解池的。⑶要能准确地指示电解的结束。

积分

仪器分析

参考答案：

点击查看答案

佳题速递：

汽车用起动机的基本结构是由下述几部分组成。（在下列①②③④选项中，至少有2项是正确的。点击你认为正确的选项组合） ①起动继电器。 ②直流电动机。 ③传动装置。 ④控制装置。①、②、③ ①、②、④ ①、③、④ ②、③、④汽车电器与电子控制技术

23[多选题] 关于信息，下列说法正确的是（） A.信息必须依附于载体而存在 B.信息是可以共享的 C.信息是可以处理的 D.信息的价值不会改变大学计算机基础

( ) 高等数学三：线性代数

通常可以从哪五个方面评价汽车服务质量？汽车服务质量同顾客的感受关系很大，它取决于顾客对汽车服务质量的期望同实际感知的对比差距。通常可以从以下五个方面评价汽车服务质量：感知性、依靠性、适应性、保证性、移情性。汽车服务质量同顾客的感受关系很大，它取决于顾客对汽车服务质量的期望同实际感知的对比差距。通常可以从以下五个方面评价汽车服务质量：感知性、可靠性、信赖性、保证性、移情性。汽车服务质量同顾客的感受关系很大，它取决于顾客对汽车服务质量的期望同实际感知的对比差距。通常可以从以下五个方面评价汽车服务质量：认知性、可靠性、适应性、保证性、移情性。汽车服务质量同顾客的感受关系很大，它取决于顾客对汽车服务质量的期望同实际感知的对比差距。通常可以从以下五个方面评价汽车服务质量：感知性、可靠性、适应性、保证性、移情性。汽车营销基础与实务

关于教师人格的作用，被广泛接受的是（）的观点，“教师人格对于年轻的心灵来说，是任何东西都不能代替的最有用的阳光；教育者的人格是教育事业的一切” A.加涅 B.布鲁纳 C.班杜拉 D.乌申斯基 E.null F.null G.null H.null中学语文教学法

1[阅读题] An old man died and left his son a lot of money. But the son was a foolish young man, and he quickly spent all the money, so that soon he had nothing left. Of course , when that happened, all his friends left him. When he was quite poor and alone, he went to see Nasreddin, who was a kind, clever old man and often helped people when they had troubles. My money has finished and my friends have gone, said the young man. What will happen to me now? Don't worry, young man, answered Nasreddin. Everything will soon be all right again. Wait , and you will soon feel much happier. The young man was very glad. Am I going to get rich again then? He asked Nasreddin. No, I didn't mean that, said the old man. I meant that you would soon get used to being poor and to having no friends.26.An old man died and left his son____. A. nothing B. some gold C. much money D. only a house27. When the son was____, he went to see Nasreddin . A. short of money B. quite poor and sickC. in trouble D. quite poor and alone28.The young man was very glad because Nasreddin said that____. A. he would become rich again B. he would soon feel much happierC. he would become clever D. he would have more friends29.Nasreddin meant the young man____. A. would get rich again B. would get used to having nothingC. would get used to being in trouble D. would get out of poorness30.What this story tells us is___. A. that money is everything B. that money makes the mare goC. to save each penny D. that misfortune tests the sincerity of friends 英语 C(二)