£¨2008ѧÄêÕã½­Ê¡ÎåУµÚÒ»´ÎÁª¿¼£¬»¯Ñ§£¬9£©ÏÂÁÐʵÑé²Ù×÷ÖУ¬ÕýÈ·µÄÊÇ

¢ÙÓÃÍÐÅÌÌìƽ³ÆÈ¡5.2 g NaCl£»¢ÚÓÃ50 mLÁ¿Í²Á¿È¡5.2mLÑÎË᣻¢ÛÓÃÕô·¢Ãó¼ÓÈÈNaClÈÜÒº¿ÉÒԵõ½Nacl¾§Ì壻¢ÜÓà 100 mLÈÝÁ¿Æ¿ÅäÖÆ50 mL 0.1mol¡¤L-1H2SO4ÈÜÒº£»¢ÝÓôø²£Á§ÈûµÄ×ØÉ«ÊÔ¼ÁÆ¿´æ·ÅŨHNO3£»¢ÞÖкÍÈȲⶨµÄʵÑéÖÐʹÓõIJ£Á§ÒÇÆ÷Ö»ÓÐ2ÖÖ

A£®¢Ù¢Û¢Ý        B£®¢Ú¢Ü¢Þ        C£®¢Ù¢Û¢Ü         D£®¢Û¢Ý¢Þ

A


½âÎö:

¢ÙÍÐÅÌÌìƽµÄ¾«È·¶ÈΪ0.1g£»¢ÚÓÃ50 mLÁ¿Í²Á¿È¡5.2mLÑÎËᣬÎó²îÌ«´ó£»¢ÛÓÃÕô·¢Ãó¼ÓÈÈNaClÈÜÒº¿ÉÒԵõ½Nacl¾§Ì壻¢ÜÓà 100 mLÈÝÁ¿Æ¿ÅäÖÆ50 mL 0.1mol¡¤L-1H2SO4ÈÜÒº£¬ÕâÑùÌ«ÀË·Ñ£¬¿ÉÓÃ50 mLÈÝÁ¿Æ¿ÅäÖÆ£»¢ÝŨHNO3¼û¹âÒ׷ֽ⣬¿ÉÓôø²£Á§ÈûµÄ×ØÉ«ÊÔ¼ÁÆ¿´æ·ÅŨHNO3£»¢ÞÖкÍÈȲⶨµÄʵÑéÖÐʹÓõIJ£Á§ÒÇÆ÷Ö»ÓÐ4ÖÖ£¬·Ö±ðΪÉÕ±­¡¢Á¿Í²¡¢Î¶ȼơ¢»·Ðβ£Á§½Á°è°ô¡£¹ÊÕýÈ·Ñ¡ÏîÊÇA¢Ù¢Û¢Ý¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

ͬ²½Á·Ï°²á´ð°¸