钛(Ti)是广泛应用于航空、航海等领域的一种重要金属。可利用如

钛(Ti)是广泛应用于航空、航海等领域的一种重要金属。可利用如下反应制得:TiCl4 + 2Mg        Ti + 2MgCl2。现有24 kg镁,计算生成钛的质量。

答案

[] 设可生成钛的质量为x

        TiCl+  2Mg        Ti  +  2MgCl2

 ………………………………………1

 
                       48

                24 kg       . x               

 …………………………………………1

 

=

 

=

 
                                

           

 ……………………………………………1

 
   x = 24 kg

     答:可生成钛的质量为24 kg      

相关题目

20.阅读下面的材料,根据要求回答问题。(5分) 索契冬奥
20.阅读下面的材料,根据要求回答问题。(5分) 索契冬奥会开幕式上,奥运五环展示环节出现故障,本将形成五环的五朵雪绒花有一朵没有打开。闭
Some people either _____ avoid questions of right and wrong or remain neutral ab
Some people either _____ avoid questions of right and wrong or remain neutral about them. A. violently B. sincerely  C. properly  D. deliberately
在平面直角坐标系中,△ABC三个顶点的坐标分别为A(2,3)
在平面直角坐标系中,△ABC三个顶点的坐标分别为A(2,3),B(1,1),C(5,1). (1)把△ABC平移后,其中点 A移到点A1(4,5),画出平移后得到的
When copying this document, be careful not to ______ any words. A.make out 
When copying this document, be careful not to ______ any words. A.make out       B.work out    C.leave out    D.find out
著名史学家黄仁宇认为:“隋唐宋组成的第二帝国带开放性
著名史学家黄仁宇认为:“隋唐宋组成的第二帝国带开放性,相对之下,明清组成的第三帝国则带收敛性。”这里的“收敛性”具体表现在: ①中央派
 She felt        about wearing the improper garment at the party. A.em
 She felt        about wearing the improper garment at the party. A.embarrassing     B.embarrass     C.to embarrass           D.embarrassed
一辆值勤的警车停在公路当警员发现从他旁边以10m/s的速度匀
一辆值勤的警车停在公路当警员发现从他旁边以10m/s的速度匀速行驶的货车有违章行为时,决定去拦截,经5s警车发动起来,以a=2加速度匀加速开出维持匀加
Mrs. Blake teaches English in a large school in the inner area of a big city on
Mrs. Blake teaches English in a large school in the inner area of a big city on the west of coast. Even since she was a young girl, she has wanted to become a teacher. She has taught eight years now a

最新题目

1