当前位置:首页 > 问题分类 > 学历类考试 > 初中 > 问题详情

问题:

CO2有广泛的用途。工业上可用CO2生产小苏打:一定条件下,向饱和氯化钠溶液中通入氨气(NH3)和CO2

CO2有广泛的用途。工业上可用CO2生产小苏打:一定条件下,向饱和氯化钠溶液中通入氨气(NH3)和CO2,即可析出碳酸氢钠固体,此时溶液变浑浊;过滤,滤液中含有氯化铵。该反应的化学方程式是(提示:方程式配平后,物质化学式前的化学计量数均为1)________________________________;


  参考答案

正确答案:
(2) NH3 +CO2+NaCl==NaHCO3+NH4Cl↓;

相关题目:

8.It _______that he has been ill for a long time.
A. seems
B. looks '
C. looks like
D. seems like
7.I_______to get up early.
A. didn’t use
B. didn't used
C. don't use
D. don’t used
6.Eventhoughit tomorrow,l _______there.
A. rains ; go
B. will rain ; go
C. rains ; will go
D. will rain; will go