氢氧化钠与氢氧化钾，谁的碱性强？氢氧化钾的碱性比氢氧化钠的碱性强。但是这是得有前提条件的，碱的碱性强弱与碱的电离程度有关。对于氢氧化钠和氢氧化钾都是完全电离的强碱来说，可以用金属活泼性来判断，即越活泼的金属，对应的氢氧化物碱性越强。

Sodium hydroxide or potassium hydroxide, whose alkalinity is stronger? The alkalinity of potassium hydroxide is stronger than that of sodium hydroxide. But this requires a prerequisite, as the alkalinity of the base is related to the degree of ionization of the base. For both sodium hydroxide and potassium hydroxide, which are fully ionized strong bases, metal activity can be used to determine, that is, the more active the metal, the stronger the alkalinity of the corresponding hydroxide.

简单来说，能区分两个物质酸碱性强弱的叫做区分溶剂，否则就叫做拉平溶剂。题目中说的氢氧化钠和氢氧化钾同时溶解在水中，都会完全电离，这就是说二者被水这个溶剂拉平了，而表现出了相同的碱性。如果采用乙醇或液氨等作为溶剂，即可区分出二者碱性的强弱。

Simply put, a solvent that can distinguish the strength of the acidity and alkalinity of two substances is called a distinguishing solvent, otherwise it is called a leveling solvent. The sodium hydroxide and potassium hydroxide mentioned in the title will be completely ionized when dissolved in water at the same time, which means that both are flattened by the solvent water and exhibit the same alkalinity. If ethanol or liquid ammonia are used as solvents, the alkalinity of the two can be distinguished.

碱的碱性强弱与溶液的碱性强弱这两个概念是不同的。应该是碱的碱性强弱比较。碱的碱性强弱与碱的电离程度有关，对于氢氧化钠和氢氧化钾这两种完全电离的强碱来说，由金属活泼性来判断，从这个角度，氢氧化钾比氢氧化钠的碱性强。

The concepts of the alkalinity of an alkali and the alkalinity of a solution are different. It should be a comparison of the alkalinity of the alkali. The alkalinity of a base is related to the degree of ionization of the base. For two completely ionized strong bases, sodium hydroxide and potassium hydroxide, the metal activity is used to determine the alkalinity. From this perspective, potassium hydroxide is more alkaline than sodium hydroxide.

而溶液的碱性强弱是由氢氧根离子浓度大小决定的，氢氧根离子浓度越大碱性越强，摩尔浓度相同的氢氧化钠溶液与氢氧化钾溶液的碱性是相同的。

The alkalinity of a solution is determined by the concentration of hydroxide ions. The higher the concentration of hydroxide ions, the stronger the alkalinity. Sodium hydroxide solutions with the same molar concentration have the same alkalinity as potassium hydroxide solutions.

氢氧化钾是以氯化钾水溶液进行电解，而氢氧化钠则是以氯化钠水溶液进行电解，二者只是原料不同（一个是KCl,一个是NaCl),和产品不同（一个是KOH，一个是NaOH),相同的是都要经过盐水精制、电解等工序，且电解槽的结构都基本一样，当然许多细节肯定有差异的。

Potassium hydroxide is electrolyzed using an aqueous solution of potassium chloride, while sodium hydroxide is electrolyzed using an aqueous solution of sodium chloride. The only difference between the two is that the raw materials are different (one is KCl and the other is NaCl), and the products are different (one is KOH and the other is NaOH). The same is that both require processes such as brine refining and electrolysis, and the structure of the electrolytic cell is basically the same. Of course, many details are definitely different.

氢氧化钾的摩尔质量大于氢氧化钠的摩尔质量；

The molar mass of potassium hydroxide is greater than the molar mass of sodium hydroxide;

当两者的物质的量浓度相同时，溶液的碱性相同；

When the concentration of both substances is the same, the alkalinity of the solution is the same;

当两者的溶液质量分数相同时，氢氧化钠溶液的碱性大于氢氧化钾的碱性；

When the mass fraction of both solutions is the same, the alkalinity of sodium hydroxide solution is greater than that of potassium hydroxide solution;

氢氧化钾的价格大于氢氧化钠，但配置相同碱性溶液时，需要氢氧化钾的的质量要大一些。

The price of potassium hydroxide is higher than that of sodium hydroxide, but when configuring the same alkaline solution, the quality of potassium hydroxide needs to be higher.

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