硫酸钠是硫酸根与钠离子化合生成的盐。分子式：Na2SO4；分子量：142.04。在241℃时硫酸钠会转变成六方型结晶。纯度高且颗粒细的无水硫酸钠称为元明粉，十水合硫酸钠俗称芒硝。

　　Sodium sulfate is a salt formed by the combination of sulfate ions and sodium ions. Molecular formula: Na2SO4; Molecular weight: 142.04. At 241 ℃, sodium sulfate will transform into hexagonal crystals. Anhydrous sodium sulfate with high purity and fine particles is called sodium sulfate powder, while sodium sulfate decahydrate is commonly known as saltpeter.

　　硫酸钠是酸性还是碱性？

　　Is sodium sulfate acidic or alkaline?

　　硫酸钠是一种盐，它的来源从它的名字中就可以隐约明白：硫酸、钠。因此它是由硫酸根和钠离子进行了一系列的反应而形成的盐。这种盐还有一个别称，叫元明粉，当然不是所有硫酸钠都可以这样叫，高纯度的无水状态才叫元明粉哦！这种物质比较溶于水，而且它的溶液经PH试纸检测为中性，并非酸性或碱性。除了这个性质外，硫酸钠还有一点，它可不能与酒精相溶，但是它可以和甘油相互融合在一起，就像和水融合那样轻松简单。从它的外形来看的话也是非常漂亮，如同水晶一样，颜色透明的小结晶，别看它这么可爱，它可是具有含氧酸的强酸强碱盐呢！

　　Sodium sulfate is a salt, and its origin can be vaguely understood from its name: sulfuric acid, sodium. Therefore, it is a salt formed by a series of reactions between sulfate ions and sodium ions. This salt also has another nickname, called Yuanming powder. Of course, not all sodium sulfate can be called this. Only high-purity anhydrous state is called Yuanming powder! This substance is relatively soluble in water, and its solution is detected as neutral by pH test paper, not acidic or alkaline. In addition to this property, sodium sulfate also has one thing: it is not soluble in alcohol, but it can fuse with glycerol as easily and simply as it does with water. From its appearance, it is also very beautiful, like crystal, with transparent small crystals. Despite its cuteness, it is a strong acid and alkali salt with oxygen-containing acids!

　　硫酸钠的化学性质是什么？

　　What are the chemical properties of sodium sulfate?

　　大家都知道，硫酸纳它是中性盐，所以对于其他酸性或碱性盐来说，硫酸钠的化学性质就比较稳定啦。而且因为它的中性，同样的，它也不会溶于强酸之中，悄悄告诉你，它还不能溶于镁和铝，看来硫酸钠挺正人君子，不近于“镁铝”呢。

　　As we all know, first of all, sodium sulfate is a neutral salt, so for other acidic or alkaline salts, the chemical properties of sodium sulfate are relatively stable. And because of its neutrality, it also does not dissolve in strong acids. I'll tell you quietly, it cannot dissolve in magnesium and aluminum. It seems that sodium sulfate is quite noble and not close to "magnesium aluminum".

　　虽然硫酸钠正人君子，但是他还是会为一种东西倾倒，那就水咯，极易溶于水，一碰到水就迫不及待想要在一起，还真是“宠”水界的一把标杆。它还有个神奇的现象呢，在241摄氏度时会变成一个六边形的小晶体，十分可爱呢！

　　Although sodium sulfate is a gentleman, it still pours for one thing, which is water. It is extremely soluble in water and can't wait to be together as soon as it touches water. It is really a benchmark for "spoiling" the water world. It also has a magical phenomenon, it will turn into a small hexagonal crystal at 241 degrees Celsius, which is very cute!

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