ÌâÄ¿ÄÚÈÝ
18£®ÏÂÁÐ˵·¨ÖУ¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©A£® | 0.1 mol•L-1KHSÈÜÒºÖУºc£¨K+£©+c£¨H+£©=c£¨OH-£©+c£¨HS-£©+c£¨S2-£© | |
B£® | ³£ÎÂÏ£¬0.1 mol/L µÄÏÂÁÐÈÜÒº£º¢ÙNH4Al£¨SO4£©2¡¢¢ÚNH4Cl¡¢¢ÛCH3COONH4£¬ÆäÖÐc£¨NH4+£©ÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ£º¢Ù£¾¢Ú£¾¢Û | |
C£® | ÔÚ25¡æʱ£¬½«pH=11µÄNaOHÈÜÒºÓëpH=3µÄCH3COOHÈÜÒºµÈÌå»ý»ìºÏºó£ºc£¨Na+£©£¾c£¨CH3COO-£©£¾c£¨OH-£©£¾c£¨H+£© | |
D£® | Na2CO3ÈÜÒºÖУº2c£¨Na+£©=c£¨CO32-£©+c£¨HCO3-£©+c£¨H2CO3£© |
·ÖÎö A£®ÈÜÒºÖдæÔÚµçºÉÊغã·ÖÎö£¬ÑôÀë×ÓºÍÒõÀë×ÓËù´øµçºÉÊýÏàͬ£»
B£®NH4Al£¨SO4£©2ÈÜÒºÖÐ笠ùÀë×ÓÓëÂÁÀë×ÓË®½âÏ໥ÒÖÖÆ£¬CH3COONH4ÖÐ笠ùÀë×ÓÓë´×Ëá¸ùÀë×ÓË®½âÏ໥´Ù½ø£»
C£®ÔÚ25¡æʱ£¬½«pH=11µÄNaOHÈÜÒºÓëpH=3µÄCH3COOHÈÜÒºµÈÌå»ý»ìºÏºó´Ù½ø´×ËáÓÖµçÀ룬ÈÜÒºÏÔËáÐÔ£»
D£®Na2CO3ÈÜÒºÖдæÔÚÎïÁÏÊغ㣬n£¨Na£©=2n£¨C£©£®
½â´ð ½â£ºA.0.1 mol•L-1KHSÈÜÒºÖдæÔÚµçºÉÊغ㣺c£¨K+£©+c£¨H+£©=c£¨OH-£©+c£¨HS-£©+2c£¨S2-£©£¬¹ÊA´íÎó£»
B£®NH4Al£¨SO4£©2ÈÜÒºÖÐ笠ùÀë×ÓÓëÂÁÀë×ÓË®½âÏ໥ÒÖÖÆ£¬CH3COONH4ÖÐ笠ùÀë×ÓÓë´×Ëá¸ùÀë×ÓË®½âÏ໥´Ù½ø£¬ËùÒÔ£¬ÏàͬÎïÖʵÄÁ¿Å¨¶ÈµÄÏÂÁÐÈÜÒºÖУº¢ÙNH4Al£¨SO4£©2¡¢¢ÚNH4Cl¡¢¢ÛCH3COONH4£¬Ôòc£¨NH4+£©ÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ£º¢Ù£¾¢Ú£¾¢Û£¬¹ÊBÕýÈ·£»
C£®ÔÚ25¡æʱ£¬½«pH=11µÄNaOHÈÜÒºÓëpH=3µÄCH3COOHÈÜÒºµÈÌå»ý»ìºÏºó´Ù½ø´×ËáÓÖµçÀ룬ÈÜÒºÏÔËáÐÔ£¬c£¨CH3COO-£©£¾c£¨Na+£©£¾c£¨H+£©£¾c£¨OH-£©£¬¹ÊC´íÎó£»
D£®Na2CO3ÈÜÒºÖдæÔÚÎïÁÏÊغ㣬c£¨Na+£©=2c£¨CO32-£©+2c£¨HCO3-£©+2c£¨H2CO3£©£¬¹ÊD´íÎó£»
¹ÊÑ¡B£®
µãÆÀ ±¾Ì⿼²éÁËÈõµç½âÖʵçÀëƽºâ¡¢µç½âÖÊÈÜÒºÖеçºÉÊغ㡢ÎïÁÏÊغ㡢Àë×ÓŨ¶È´óС±È½ÏµÈ£¬×¢ÒâËá¼î·´Ó¦µÄÌõ¼þ¸öÈõµç½âÖʵĵçÀëƽºâ£¬ÌâÄ¿ÄѶÈÖеȣ®
A£® | ÓÃÅ´Ã×ÄðÖÆÌð¾Æ | |
B£® | ʯÓÍÆøµÄÒº»¯ÓëúµÄÒº»¯ | |
C£® | Êé¼®ÖеÄÖ½ÕÅÓÉ°×É«ÂýÂý±ä³É»ÆÉ« | |
D£® | º¬ÓÐÎüË®ÐÔµÄÖ²ÎïÏËάµÄ¸ÉÔï¼ÁÎüË®ÕÍ°ü |
A£® | úµÄÒº»¯ | B£® | ʯÓ͵ķÖÁó | C£® | ʯÓÍÁÑ»¯ | D£® | ÒÒÏ©¼Ó¾Û·´Ó¦ |
R | X | Y |
Z | W |
A£® | ×î¼òµ¥Æø̬Ç⻯ÎïµÄÈÈÎȶ¨ÐÔÓÉÇ¿µ½ÈõµÄÅÅÐò£ºZ¡¢R¡¢X¡¢Y | |
B£® | R¡¢X¡¢Y¡¢Z¡¢W¸÷ÔªËØ×î¸ß¼ÛºÍ×îµÍ¼ÛµÄ¾ø¶ÔÖµÖ®ºÍ¾ùΪ8 | |
C£® | ×î¸ß¼ÛÑõ»¯ÎïµÄË®»¯ÎïËáÐÔÓÉÈõµ½Ç¿µÄÅÅZ¡¢R¡¢W | |
D£® | RY3¡¢W2X¡¢ZW5·Ö×ÓÖÐÿ¸öÔ×Ó×îÍâ²ã¶¼´ïµ½8 µç×ӽṹ |
ÈÝÆ÷ ±àºÅ | ζȣ¨¡æ£© | ÆðʼÎïÖʵÄÁ¿£¨mol£© | ƽºâÎïÖʵÄÁ¿£¨mol£© | |
A£¨g£© | B£¨g£© | C£¨g£© | ||
¢ñ | 387 | 0.20 | 0.080 | 0.080 |
¢ò | 387 | 0.40 | ||
¢ó | 207 | 0.20 | 0.090 | 0.090 |
A£® | ¸Ã·´Ó¦µÄÕý·´Ó¦Îª¡÷H£¼0 | |
B£® | 207¡æ£¬K=4 | |
C£® | ´ïµ½Æ½ºâʱ£¬ÈÝÆ÷¢ñÖеÄAÌå»ý·ÖÊýÓëÈÝÆ÷¢òÖеÄÏàͬ | |
D£® | ÈÝÆ÷¢ñÖз´Ó¦µ½´ïƽºâËùÐèʱ¼ä±ÈÈÝÆ÷¢óÖÐµÄ¶Ì |
A£® | 2Mg£¨s£©+CO2£¨g£©¡ú2MgO£¨s£©+C£¨s£© | |
B£® | µÍÎÂÏÂÄÜ×Ô·¢½øÐеķ´Ó¦£ºNH3£¨g£©+HCl£¨g£©¡úNH4Cl£¨s£© | |
C£® | ¸ßÎÂÏÂÄÜ×Ô·¢½øÐеķ´Ó¦£ºSiO2£¨s£©+2C£¨s£©¡úSi£¨s£©+2CO£¨g£© | |
D£® | ÈκÎζÈϾùÄÜ×Ô·¢½øÐеķ´Ó¦£º2H2O2£¨l£©¡ú2H2O£¨l£©+O2£¨g£© |