ÏÃÃÅÍâ¹úÓïѧУ2018-2019ѧÄêµÚ¶þѧÆÚÆÚÖп¼ÊÔ

¸ß¶þ»¯Ñ§ÊÔÌâ

¿ÉÄÜÓõ½µÄÏà¶ÔÔ­×ÓÁ¿: H-1, C-12, O-16, Li-7, Mg-24, Cu-64£¬ Cl-35.5

                    µÚ¢ñ¾í £¨±¾¾í¹²¼Æ45·Ö£©

Ò»£®Ñ¡ÔñÌ⣺£¨Ã¿Ð¡ÌâÖ»ÓÐÒ»¸öÑ¡ÏÿСÌâ3·Ö£¬¹²¼Æ45·Ö£©

1£®³£ÎÂÏ£¬ÏÂÁи÷ÈÜÒºÖÐË®µÄµçÀë³Ì¶È×î´óµÄÊÇ                                       (    )

A£®pH=1µÄÁòËáÈÜÒº                     B£®c(H⁺ )=10^-10 mol/L´¿¼îÈÜÒº

C£®0.01mol/LµÄÉÕ¼îÈÜÒº                D£®c(H⁺ )=10^-5 mol/LµÄÁòËáï§ÈÜÒº

2£®³£ÎÂÏ£¬ÏÂÁи÷×é΢Á£ÔÚË®ÈÜÒºÖÐÒ»¶¨ÄÜ´óÁ¿¹²´æµÄÊÇ                               (    )

A£®H⁺¡¢Na⁺¡¢SO₄^2-¡¢CH₃COO^-       B£®Na⁺¡¢I^-¡¢Cl^-¡¢Fe³⁺

C£®Al³⁺¡¢NH₄⁺¡¢Br^-¡¢HCO₃^-         D£®K⁺¡¢Mg²⁺¡¢NO₃^-¡¢SO₄^2-