题目内容
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[判断题]
强碱滴定一元弱酸的条件是cKa≥10-8。（)
提问人：网友jayaigg
发布时间：2022-01-07
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更多“强碱滴定一元弱酸的条件是cKa≥10-8。（)”相关的问题
第2题
用强碱滴定一元弱酸时，应符合cKa≥[图]的条件，这是因为...
用强碱滴定一元弱酸时，应符合cKa≥
的条件，这是因为( )。
A、cKa<
时滴定突跃范围窄
B、cKa<
时无法确定化学计量关系
C、cKa<
时指示剂不发生颜色变化
D、cKa<
时反应不能进行
第3题
一个多元碱，若cKbi>10 [图]，同时Kbi/Kb(i+1)>...
一个多元碱，若cKbi>10
，同时Kbi/Kb(i+1)> 10
，可保证在误差小于（ ）前提下分步滴定
A、1%
B、0.1%
C、0.3%
D、10%
第4题
"So you want to be a rock and roll star？" asked the musician, Bob Dylan. You have decided to(1)fame's spotlight. And you will not be(2)otherwise. What is it that(3)you？ Is it the(4)fans？ Or is it simply to be recognized for being truly(5)at something？ This is all quite(6). I should warn you, though. It is difficult to(7)the public's favor. These people will grow(8)so easily. Even(9)you should succeed, you might not be happy, Once you win in your(10)of fame, complaints will follow. For example, people will say that your work fails to show(11)in its appeal. You see, their enthusiasm will soon(12). I should also tell you that there will be plenty of people who will want to(13)you during your brief stay at the top. Friends？ Sure,(14)you have money you'll have friends who will suck everything you have out of you. And don't forget to watch your agent(15). You might need a good lawyer and an accountant, but they too will want their(16)of the pie—making money out of you.
I see, you understand the(17)of the situation. However, your chase for fame can't be(18)by my pessimistic outlook. Go ahead then. Don't let me stop you. But when you fail or fall fight back(19), you started and you're miserable, don't(20)me of not having warned you. I've done all that I can for you.
第5题
Three large privately-owned networks in the United States are __________.
A、NBC
B、CBS
C、ABC
D、NPR
