ÌâÄ¿ÄÚÈÝ

ÏÂÁÐÀë×Ó·½³ÌʽÊéдÕýÈ·µÄÊÇ£¨ £©

A£®ÔÚ100 mLŨ¶ÈΪ1 mol¡¤L£­1µÄ Fe(NO3)3µÄÈÜÒºÖÐͨÈë×ãÁ¿SO22Fe3£«£«SO2£«2H2O=2Fe2£«£«SO42-£«4H£«

B£®ÔÚ100 mLŨ¶ÈΪ2 mol¡¤L£­1µÄFeI2µÄÈÜÒºÖÐͨÈë±ê×¼×´¿öÏÂ5.6 LµÄCl24Fe2£«£«6I£­£«5Cl2=4Fe3£«£«3I2£«10Cl£­

C£®ÏòNaHCO3ÈÜÒºÖмÓÈë¹ýÁ¿µÄ³ÎÇåʯ»ÒË®2HCO3-£«Ca2£«£«2OH£­=CaCO3¡ý£«2H2O£«CO32-

D£®ÏòÃ÷·¯ÈÜÒºÖмÓÈë¹ýÁ¿µÄÇâÑõ»¯±µÈÜÒºAl3£«£«2SO42-£«2Ba2£«£«4OH£­=2BaSO4¡ý£«AlO2-£«2H2O

 

D

¡¾½âÎö¡¿AÏӦÊÇNO3- (H£«)Ñõ»¯SO2£»BÏÓÉÓÚn(FeI2)¡Ãn(Cl2)£½4¡Ã5£¬I£­£¾Fe2£«£¬Àë×Ó·½³ÌʽΪ2Fe2£«£«8I£­£«5Cl2=2Fe3£«£«4I2£«10Cl£­£»CÏӦΪHCO3-£«OH£­£«Ca2£«=CaCO3¡ý£«H2O£»DÏîÕýÈ·¡£

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø