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But, the reaction says I need twice as much mag as tickle if this reaction is going to go to completion.
但是这个反应告诉我们,镁的量应该是四氯化钛的两倍,如果要反应完全的话。
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Two moles of mag consume one mole of tickle, giving us one mole of Ti, and that's 515 moles of tickle consumed.
两摩尔的镁消耗一摩尔的四氯化钛，得到一摩尔钛，也就是说需要消耗掉515摩尔的四氯化钛。
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And the last example that we're going to talk about is thionyl chloride, so it's s o c l 2. This is another good step forward, because now we actually have four different atoms in our molecule.
我们要讨论的最后一个例子,是氯化亚砜，就是硫，氧，氯，二，这又是一个进步，因为我们的分子中现在有四个不同的原子了。
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And then he says the tetrachloride will be volatile, 9 and it will have a density of 1.9.
他说四氯化物具有不稳定性，密度是1。
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And at the end of the reaction, you have the reactor consumed of titanium tetrachloride magnesium.
在反应的结尾时，反应器里面,消耗了四氯化钛和镁。
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And subsequently germanium tetrachloride 88 was synthesized and measured to be 1.88.
随后，四氯化锗被合成出来了,密度测量出是1。
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And, this is a really clever reaction because titanium tetrachloride is a gas.
这是一个非常巧妙的反应,因为四氯化钛是一种气体。
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How do we know that mag will reduce titanium tetrachloride?
我们如何知道,镁会还原四氯化钛？
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Nobody says titanium tetrachloride.
没人会称之四氯化钛。
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OK, so let's say some young engineer is on the job the first day and says, OK, let's put in 200 kg of tickle, and let's put in about 25 kg of mag.
比如一些年轻的工程师,刚来上班时会说，投入200kg的四氯化钛，投入25kg的镁。
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And, this involves the reaction of titanium tetrachloride with magnesium to form magnesium chloride plus titanium And, this was invented in 1937 by W. J. Kroll.
四氯化钛和镁,反应生成氯化镁和钛,1937年W。J。克劳尔发明了这个方法。
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