阿伏加德罗常数是化学学科最重要的基本概念之一,它是指1mol粒子集体所含的粒子数,很方便的把一定数目的原子、离子或分子等微观粒子与物质的宏观物理量联系起来。因此,准确完整地理解阿伏加德罗常数以及物质的量的概念,在化学学习中有着至关重要的作用。关于阿伏加德罗常数与物质的量、物质的量浓度、气体摩尔体积关系的考題比较常见。物质的微观结构内容涉及较多,问题也比较复杂,包括物质的组成、物质的空间构型、pH计 Avogadro's constant is one of the most important basic concepts in chemistry. It refers to the number of particles contained in 1 mol of particles. It is convenient to associate a certain number of macroparticles such as atoms, ions or molecules with the macroscopic physical quantities of matter stand up. Therefore, the concept of accurate and complete understanding of the Avogadro's constant and the amount of matter plays a crucial role in chemistry learning. On the Avogadro constant and the amount of material, the amount of material concentration, gas molar volume relationship test questions are more common. The microscopic structure of matter involves more, the problem is more complicated, including the composition of the material, the spatial configuration of the material, the pH meter