Question

ijѧÉúΪÁË̽¾¿Ð¿ÓëÑÎËá·´Ó¦¹ý³ÌÖеÄËÙÂʱ仯£¬ËûÔÚ100mLÏ¡ÑÎËáÖмÓÈë×ãÁ¿µÄп·Û£¬ÓÃÅÅË®¼¯Æø·¨ÊÕ¼¯·´Ó¦·Å³öµÄÇâÆø£¬ÊµÑé¼Ç¼ÈçÏ£¨ÀÛ¼ÆÖµ,Ìå»ýÒÑ»»Ëã³É±ê׼״̬£©£©£º

ʱ¼ä£¨min£©	1	2	3	4	5
ÇâÆøÌå»ý£¨mL£©	50	120	232	290	310

£¨1£©ÄÄһʱ¼ä¶Î£¨Ö¸0¡«1¡¢1¡«2¡¢2¡«3¡¢3¡«4¡¢4¡«5 min£©·´Ó¦ËÙÂÊ×î´ó        £¬Ô­ÒòÊÇ                                                         ¡£

£¨2£©ÄÄÒ»¶Îʱ¶ÎµÄ·´Ó¦ËÙÂÊ×îС                     £¬Ô­ÒòÊÇ                    

                                            ¡£

£¨3£©Çó2¡«3·ÖÖÓʱ¼ä¶ÎÒÔÑÎËáµÄŨ¶È±ä»¯À´±íʾµÄ¸Ã·´Ó¦ËÙÂÊ£¨ÉèÈÜÒºÌå»ý²»±ä£©                ¡£

£¨4£©Èç¹û·´Ó¦Ì«¼¤ÁÒ£¬ÎªÁ˼õ»º·´Ó¦ËÙÂʶøÓÖ²»¼õÉÙ²úÉúÇâÆøµÄÁ¿£¬ËûÔÚÑÎËáÖзֱð¼ÓÈëµÈÌå»ýµÄÏÂÁÐÈÜÒº£º

A£®ÕôÁóË®         B£®NaClÈÜÒº        C£®Na₂CO₃ÈÜÒº        D£®CuSO₄ÈÜÒº

ÄãÈÏΪ¿ÉÐеÄÊÇ£¨Ìî±àºÅ£©                        ¡£

Answer 1

£¨1£©2¡«3 min£¨1·Ö£©£¬Òò¸Ã·´Ó¦ÊÇ·ÅÈÈ·´Ó¦£¬2¡«3 minʱζȸߡ£1·Ö

£¨2£©4¡«5 min £¨1·Ö£©£¬ÒòΪ4¡«5 minʱH⁺ Ũ¶ÈС¡£1·Ö

£¨3£©0.1 mol/£¨L??min£©   2·Ö  £¨4£©A B  2·Ö