¿ÉÄÜÓõ½µÄÏà¶ÔÔ­×ÓÖÊÁ¿£ºH-1   C-12     N-14    O-16    Na-23    Al-27 

Si-28  Cl-35.5   Fe-56   Cu-64   Ag-108  K-39

µÚI¾í  £¨Ñ¡ÔñÌ⣬¹²48·Ö£©

Ò»¡¢Ñ¡ÔñÌâ¡££¨¹²16¸öСÌâ¡£¹²48·Ö£¬Ã¿Ð¡ÌâÖ»ÓÐÒ»¸öÑ¡Ïî·ûºÏÌâÒ⣩

1.³£ÎÂÏ£¬ÏÂÁи÷×éÀë×ÓÔÚÖ¸¶¨ÈÜÒºÖÐÒ»¶¨ÄÜ´óÁ¿¹²´æµÄÊÇ

A. pH=12µÄÈÜÒºÖР                NO₃^£­¡¢I^£­¡¢Na^£«¡¢Al^3£«

    B.Na₂SÈÜÒºÖР                    SO₄^2£­¡¢ K^£«¡¢Cl^£­¡¢Cu^2£«

C.1.0 mol·L^£­1µÄKNO₃ÈÜÒº£º      H^£«¡¢Fe^2£«¡¢Cl^£­¡¢SO₄^2£­

D..±¥ºÍÂÈË®ÖР                    Cl^£­¡¢NO₃^£­¡¢Na^£«¡¢SO₃^2£­

2. »¯Ñ§ÓëÉú²ú¡¢Éú»îÃÜÇÐÏà¹Ø¡£ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ

A. BaSO₄ÔÚҽѧÉÏÓÃ×÷±µ²Í£¬Ba²⁺¶ÔÈËÌåÎÞ¶¾