ÌâÄ¿ÄÚÈÝ
16£®±È½ÏÏÂÁл¯Ñ§·´Ó¦ºóËùµÃÈÜÒºÖи÷Àë×ÓŨ¶ÈµÄ´óС£®¢Ù10mLµÄ0.2mol•L-1µÄHClÓë10mLµÄ0.2mol•L-1°±Ë®»ìºÍËùµÃÈÜÒºÖи÷Àë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇc£¨Cl-£©£¾c£¨NH4+£©£¾c£¨H+£©£¾c£¨OH-£©£®
¢Ú10mLµÄ0.4mol•L-1µÄCH3COONaÈÜÒºÓë10mLµÄ0.2mol•L-1µÄHClÈÜÒº»ìºÏºó£¬ËùµÃÈÜÒºÖи÷Àë×ÓŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇc£¨Na+£©£¾c£¨CH3COO-£©£¾c£¨Cl-£©£¾c£¨H+£©£¾c£¨OH-£©£®
·ÖÎö ¢Ù10mLµÄ0.2mol•L-1µÄHClÓë10mLµÄ0.2mol•L-1°±Ë®»ìºÍËùµÃÈÜҺΪÂÈ»¯ï§ÈÜÒº£¬ï§¸ùÀë×ÓË®½âÈÜÒºÏÔËáÐÔ£¬¾Ý´Ë·ÖÎöÅжÏÈÜÒºÖÐÀë×ÓŨ¶È´óС£»
¢Ú10mLµÄ0.4mol•L-1µÄCH3COONaÈÜÒºÓë10mLµÄ0.2mol•L-1µÄHClÈÜÒº»ìºÏºó£¬µÃµ½ÎªµÈŨ¶ÈµÄ´×Ëá¡¢ÂÈ»¯Äƺʹ×ËáÄÆ»ìºÏÈÜÒº£¬ÈÜÒºÖд×ËáµçÀë´óÓÚ´×Ëá¸ùÀë×ÓµÄË®½â£¬ÈÜÒºÏÔËáÐÔ£®
½â´ð ½â£º¢Ù10mLµÄ0.2mol•L-1µÄHClÓë10mLµÄ0.2mol•L-1°±Ë®»ìºÍËùµÃÈÜҺΪÂÈ»¯ï§ÈÜÒº£¬ï§¸ùÀë×ÓË®½âÈÜÒºÏÔËáÐÔ£¬¾Ý´Ë·ÖÎöÅжÏÈÜÒºÖÐÀë×ÓŨ¶È´óСΪ£ºc£¨Cl-£©£¾c£¨NH4+£©£¾c£¨H+£©£¾c£¨OH-£©£¬
¹Ê´ð°¸Îª£ºc£¨Cl-£©£¾c£¨NH4+£©£¾c£¨H+£©£¾c£¨OH-£©£»
¢Ú10mLµÄ0.4mol•L-1µÄCH3COONaÈÜÒºÓë10mLµÄ0.2mol•L-1µÄHClÈÜÒº»ìºÏºó£¬µÃµ½ÎªµÈŨ¶ÈµÄ´×Ëá¡¢ÂÈ»¯Äƺʹ×ËáÄÆ»ìºÏÈÜÒº£¬ÈÜÒºÖд×ËáµçÀë´óÓÚ´×Ëá¸ùÀë×ÓµÄË®½â£¬ÈÜÒºÏÔËáÐÔ£¬ÈÜÒºÖÐÀë×ÓŨ¶È´óСΪ£ºc£¨Na+£©£¾c£¨CH3COO-£©£¾c£¨Cl-£©£¾c£¨H+£©£¾c£¨OH-£©£®
µãÆÀ ±¾Ì⿼²éÁ˵ç½âÖÊÈÜÒºÖÐÀë×ÓŨ¶È´óС±È½Ï£¬Ö÷ÒªÊÇÈÜÒºÖÐÈÜÖʳɷֵķÖÎöÅжϣ¬ÕÆÎÕÑÎÀàË®½âºÍÈõµç½âÖʵçÀëµÄ³Ì¶È·ÖÎöÅжÏÊǽâÌâ¹Ø¼ü£¬ÌâÄ¿ÄѶÈÖеȣ®
ÏÂÁйØÓÚÂÌÔËáÅжϲ»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | ÂÌÔËá¿ÉÒÔºÍNaHCO3·´Ó¦£¬·Å³öCO2 | |
B£® | 1molÂÌÔËáÓë×ãÁ¿äåË®·´Ó¦£¬×î¶àÏûºÄ2.5molBr2 | |
C£® | 1molÂÌÔËáÓë×ãÁ¿NaOHÈÜÒº·´Ó¦£¬×î¶àÏûºÄ4molNaOH | |
D£® | ÂÌÔËáË®½â²úÎï¾ù¿ÉÒÔÓëFeCl3ÈÜÒº·¢ÉúÏÔÉ«·´Ó¦ |
A£® | 3Mg•Ca•4Si•6O2 | B£® | MgO•CaO•SiO2 | C£® | 3MgO•CaO•4SiO2 | D£® | Mg3Ca£¨SiO3£©4 |
ÒÑÖª£º
Ãû³Æ | Ïà¶Ô·Ö×ÓÖÊÁ¿ | ÑÕÉ«£¬×´Ì¬ | ·Ðµã£¨¡æ£© | Ãܶȣ¨g•cm-3£© |
±½¼×Ëá* | 122 | ÎÞɫƬ״¾§Ìå | 249 | 1.2659 |
±½¼×ËáÒÒõ¥ | 150 | ÎÞÉ«³ÎÇåÒºÌå | 212.6 | 1.05 |
ÒÒ´¼ | 46 | ÎÞÉ«³ÎÇåÒºÌå | 78.3 | 0.7893 |
»·¼ºÍé | 84 | ÎÞÉ«³ÎÇåÒºÌå | 80.8 | 0.7318 |
ʵÑé²½ÖèÈçÏ£º
¢ÙÔÚÔ²µ×ÉÕÆ¿ÖмÓÈë12.20g±½¼×Ëᣬ25mL 95%µÄÒÒ´¼£¨¹ýÁ¿£©£¬20mL»·¼ºÍéÒÔ¼°4mLŨÁòËᣬ»ìºÏ¾ùÔȲ¢¼ÓÈë·Ðʯ£¬°´Í¼ËùʾװºÃÒÇÆ÷£¬¿ØÖÆζÈÔÚ65¡«70¡æ¼ÓÈÈ»ØÁ÷2h£®ÀûÓ÷ÖË®Æ÷²»¶Ï·ÖÀë³ýÈ¥·´Ó¦Éú³ÉµÄË®£¬»ØÁ÷»·¼ºÍéºÍÒÒ´¼£®
¢Ú·´Ó¦½áÊø£¬´ò¿ªÐýÈû·Å³ö·ÖË®Æ÷ÖÐÒºÌåºó£¬¹Ø±ÕÐýÈû£¬¼ÌÐø¼ÓÈÈ£¬ÖÁ·ÖË®Æ÷ÖÐÊÕ¼¯µ½µÄÒºÌå²»ÔÙÃ÷ÏÔÔö¼Ó£¬Í£Ö¹¼ÓÈÈ£®
¢Û½«ÉÕÆ¿ÄÚ·´Ó¦Òºµ¹ÈëÊ¢ÓÐÊÊÁ¿Ë®µÄÉÕ±ÖУ¬·ÖÅú¼ÓÈëNa2CO3ÖÁÈÜÒºÖÁ³ÊÖÐÐÔ£®Ó÷ÖҺ©¶··Ö³öÓлú²ã£¬Ë®²ãÓÃ25mLÒÒÃÑÝÍÈ¡·ÖÒº£¬È»ºóºÏ²¢ÖÁÓлú²ã£¬¼ÓÈëÂÈ»¯¸Æ£¬¾²Ö㬹ýÂË£¬¶ÔÂËÒº½øÐÐÕôÁ󣬵ÍÎÂÕô³öÒÒÃѺͻ·¼ºÍéºó£¬¼ÌÐøÉýΣ¬½ÓÊÕ210¡«213¡æµÄÁó·Ö£®
¢Ü¼ìÑéºÏ¸ñ£¬²âµÃ²úÆ·Ìå»ýΪ12.86mL£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÔÚ¸ÃʵÑéÖУ¬Ô²µ×ÉÕÆ¿µÄÈÝ»ý×îÊʺϵÄÊÇ£¨ÌîÈëÕýÈ·Ñ¡ÏîÇ°µÄ×Öĸ£©C£®
A£®25mL B£®50mL C£®100mL D£®250mL
£¨2£©²½Öè¢ÙÖÐʹÓ÷ÖË®Æ÷²»¶Ï·ÖÀë³ýȥˮµÄÄ¿µÄÊÇʹƽºâ²»¶ÏµØÏòÕýÏòÒƶ¯£®
£¨3£©²½Öè¢ÚÖÐÓ¦¿ØÖÆÁó·ÖµÄζÈÔÚC£®
A£®65¡«70¡æB£®78¡«80¡æC£®85¡«90¡æD£®215¡«220¡æ
£¨4£©²½Öè¢Û¼ÓÈëNa2CO3µÄ×÷ÓÃÊdzýÈ¥±½¼×ËáÒÒõ¥Öеı½¼×Ë᣻ÈôNa2CO3¼ÓÈë²»×㣬ÔÚÖ®ºóÕôÁóʱ£¬ÕôÁóÉÕÆ¿Öпɼûµ½°×ÑÌÉú³É£¬²úÉú¸ÃÏÖÏóµÄÔÒòÊÇÔÚ±½¼×ËáÒÒõ¥ÖÐÓÐδ³ý¾»µÄ±½¼×ËᣬÊÜÈÈÖÁ100¡æʱÉý»ª£®
£¨5£©¹ØÓÚ²½Öè¢ÛÖеÄÝÍÈ¡·ÖÒº²Ù×÷ÐðÊöÕýÈ·µÄÊÇAD
A£®Ë®ÈÜÒºÖмÓÈëÒÒÃÑ£¬×ªÒÆÖÁ·ÖҺ©¶·ÖУ¬ÈûÉϲ£Á§Èû£¬·ÖҺ©¶·µ¹×ª¹ýÀ´£¬ÓÃÁ¦ÕñÒ¡
B£®ÕñÒ¡¼¸´ÎºóÐè´ò¿ª·ÖҺ©¶·ÉϿڵIJ£Á§Èû·ÅÆø
C£®¾¼¸´ÎÕñÒ¡²¢·ÅÆøºó£¬ÊÖ³Ö·ÖҺ©¶·¾²ÖôýÒºÌå·Ö²ã
D£®·Å³öÒºÌåʱ£¬Ó¦´ò¿ªÉÏ¿Ú²£Á§Èû»ò½«²£Á§ÈûÉϵݼ²Û¶Ô׼©¶·¿ÚÉϵÄС¿×
£¨6£©¼ÆË㱾ʵÑéµÄ²úÂÊΪ90.02%£®
A£® | 2.8mol | B£® | 1.6mol | C£® | 3.2mol | D£® | 3.6mol |
A£® | ʯ̿Ëá | B£® | TNT | ||
C£® | CH3COOH ÒÒËá | D£® | CH2BrCH2Br 1£¬2-¶þäåÒÒÍé |