physical

PRELIMINARY STUDY ON GENERAL UNIT METHOD IN DETERMINING THE AMOUNT OF SUBSTANCE;

“广义单元法”确定物质的量初探

In this paper,the concepts and the applications of amount of substance and extent of reaction have been discussed.

本文对化学教学中的物质的量和反应进度的概念和应用进行了讨论,并对它们之间的联系和区别进行了辨析。

The stoichometry relationships,the most important one in the titration calcdus, may by solved easily at the key level──the amount of substance by making validly use of the flexibility of the “mol ”when to be applied.

在滴定分析计算中，通过有效地利用摩尔这个ＳＩ单位在应用时的灵活性，可以在物质的量这个最基本的层次上方便地解决物质间的计量关系问题，而且对不同类型的滴定分析，无论其反应式以何种形式写出，也不管物质的表述形式需要限定为哪种基本单元，都可得到具有同一形式的计量关系式，整个计算方法，具有规范、简明、灵活而且重点突出的特点。

This paper analyses the application of the amount of substance in teaching materials of analytical chemistry or engineering course, and points out three suggestions in edition of teaching materials of analytical chemistry on engineering course.

对“物质的量”在工科分析化学教材中的应用问题作了分析,并对编写工科分析化学教材提出了三点建议。