ÌâÄ¿ÄÚÈÝ

ijÎÞÉ«ÈÜÒºÖпÉÄܺ¬ÓÐNa+¡¢K+¡¢Fe3+¡¢NH4+¡¢Cu2+¡¢SO42-¡¢SO32-¡¢CO32-¡¢Cl-¡¢Br- Õ⼸ÖÖÀë×ÓÖеÄÈô¸ÉÖÖ£¬ÒÀ´Î½øÐÐÏÂÁÐʵÑ飬¹Û²ìµ½µÄÏÖÏó¼Ç¼ÈçÏ£º
¢ÙÓÃpHÊÔÖ½¼ìÑ飬ÈÜÒºµÄpH£¾7
¢ÚÈ¡ÉÙÁ¿Ô­ÈÜÒº£¬¼ÓÈë¹ýÁ¿µÄBaCl2ºÍÑÎËáµÄ»ìºÏÈÜÒº£¬ÎÞ°×É«³Áµí²úÉú
¢ÛÁíÈ¡ÉÙÁ¿Ô­ÈÜÒº£¬¼ÓÈë×ãÁ¿µÄÂÈË®£¬ÎÞÆøÌå²úÉú£¬ÔÙ¼ÓÈëCCl4Õñµ´£¬¾²ÖúóCCl4²ã³Ê³ÈÉ«£¬Ó÷ÖҺ©¶··ÖÀë
¢ÜÏò·ÖÒººóµÄË®ÈÜÒºÖмÓÈëBa(NO3)2ÈÜÒººÍHNO3ÈÜÒº£¬Óа×É«³Áµí²úÉú£¬¹ýÂË¡£
¢ÝÔÚÂËÒºÖмÓÈëµÄAgNO3ºÍHNO3µÄ»ìºÏÈÜÒºÓа×É«³Áµí²úÉú
Ôò¹ØÓÚÔ­ÈÜÒºµÄÅжÏÖв»ÕýÈ·µÄÊÇ(     )
A£®¿Ï¶¨²»´æÔÚµÄÀë×ÓÊÇFe3+¡¢NH4+¡¢Cu2+¡¢SO42-¡¢CO32-
B£®¿Ï¶¨´æÔÚµÄÀë×ÓÊÇNa+¡¢K+¡¢SO32-¡¢Br-
C£®ÎÞ·¨È·¶¨Ô­ÈÜÒºÖÐÊÇ·ñ´æÔÚCl-
D£®Èô²½Öè¢Ü¸ÄÓÃBaCl2ºÍÑÎËáµÄ»ìºÏÈÜÒº£¬Ôò¶ÔÈÜÒºÖÐÀë×ÓµÄÅжÏÎÞÓ°Ïì
B
ÎÞÉ«ÈÜÒº£¬Òò´ËÒ»¶¨Ã»ÓÐFe3+¡¢Cu2+¡£¸ù¾Ý¢Ù¿ÉÖª£¬ÈÜÒºÏÔ¼îÐÔ£¬ËùÒÔûÓÐNH4+¡£¸ù¾Ý¢Ú¿ÉÖª£¬Ã»ÓÐSO42-¡£¸ù¾Ý¢Û¿ÉÖª£¬Ã»ÓÐCO32-£¬µ«º¬ÓÐBr- ¡£¢ÜÖгÁµíÊÇÁòËá±µ£¬Õâ˵Ã÷º¬ÓÐSO32-¡£ËùÒÔÒ»¶¨º¬ÓеÄÊÇSO32-¡¢Br-£¬¿Ï¶¨²»´æÔÚµÄÀë×ÓÊÇFe3+¡¢NH4+¡¢Cu2+¡¢SO42-¡¢CO32-£¬ÎÞ·¨È·¶¨µÄÊÇNa+¡¢K+¡¢Cl-£¬Òò´ËÑ¡ÏîBÊÇ´íÎóµÄ£¬´ð°¸Ñ¡B¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø