题目内容

尿素水溶液的凝固点是 -0.372℃, 则此溶液的质量摩尔浓度是 __________(水的Kf= 1.86 K·kg·mol-1)。

查看答案
更多问题

稀溶液的依数性分别是

One aim of companies which sell goods or services is to increase their market___

A. occupation
B. percentage
C. share
D. offer

In order to improve their services to customers, banks need to become more___.

A. customer-oriented
B. profitable
C. aggressive
D. efficient

Having only ___in different countries gives global companies more flexibility to move their manufacturing activities from one country to another.

A. subsidiaries
B. assembly lines
C. research centers
D. assembly operations

答案查题题库