“The three major factors to consider when purchasing a bicycle are the kind of riding you plan to do, the amount of riding you plan to do, and the amount of money you are willing to spend” is an example of a __________.
【简答题】(4分)阿伏加德罗常数(N A )、物质的量(n)和粒子数(N)之间有如下关系:N A =N/n,测定阿伏加德罗常数有多种方法,其中电解法(根据电子的物质的量和电子数来测定N A )是常用的方法。试回答下列有关问题: (1)实验室有相同浓度的NaCl、CuSO 4 、AgNO 3 、H 2 SO 4 等溶液,若实验过程中用惰性电极电解,且不考虑电极上的析出物与电解质溶液之间的反应,则你认为选择哪一...