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　　硫酸鈉是硫酸根與鈉離子化合生成的鹽。分子式：Na2SO4；分子量：142.04。在241℃時硫酸鈉會轉變成六方型結晶。純度高且顆粒細的無水硫酸鈉稱為元明粉，十水合硫酸鈉俗稱芒硝。

　　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.

　　硫酸鈉是酸性還是堿性？

　　Is sodium sulfate acidic or alkaline?

　　硫酸鈉是一種鹽，它的來源從它的名字中就可以隱約明白：硫酸、鈉。因此它是由硫酸根和鈉離子進行了一系列的反應而形成的鹽。這種鹽還有一個別稱，叫元明粉，當然不是所有硫酸鈉都可以這樣叫，高純度的無水狀態才叫元明粉哦！這種物質比較溶于水，而且它的溶液經PH試紙檢測為中性，并非酸性或堿性。除了這個性質外，硫酸鈉還有一點，它可不能與酒精相溶，但是它可以和甘油相互融合在一起，就像和水融合那樣輕松簡單。從它的外形來看的話也是非常漂亮，如同水晶一樣，顏色透明的小結晶，別看它這么可愛，它可是具有含氧酸的強酸強堿鹽呢！

　　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!

　　硫酸鈉的化學性質是什么？

　　What are the chemical properties of sodium sulfate?

　　大家都知道，硫酸納它是中性鹽，所以對于其他酸性或堿性鹽來說，硫酸鈉的化學性質就比較穩定啦。而且因為它的中性，同樣的，它也不會溶于強酸之中，悄悄告訴你，它還不能溶于鎂和鋁，看來硫酸鈉挺正人君子，不近于“鎂鋁”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".

　　雖然硫酸鈉正人君子，但是他還是會為一種東西傾倒，那就水咯，極易溶于水，一碰到水就迫不及待想要在一起，還真是“寵”水界的一把標桿。它還有個神奇的現象呢，在241攝氏度時會變成一個六邊形的小晶體，十分可愛呢！

　　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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