ÈÜÖÊ | NaF | NaClO | NaHCO3 | Na2CO3 |
pH | 7.5 | 9.7 | 8.2 | 11.6 |
A£® | pH=2µÄHFÈÜÒºÓëpH=12µÄNaOHÈÜÒºÒÔÌå»ý±È1£º1»ìºÏ£¬ÔòÓУºc£¨Na+£©£¾c£¨F-£©£¾c£¨OH-£©£¾c£¨H+£© | |
B£® | ¼ÓÈÈ0.1 mol•L-1 NaClOÈÜÒº²âÆäpH£¬pH´óÓÚ9.7 | |
C£® | 0.1 mol•L-1 Na2CO3ÈÜÒºÖУ¬´æÔÚ¹Øϵ£ºc£¨OH-£©=c£¨H+£©+c£¨HCO3-£©+2c£¨H2CO3£© | |
D£® | µçÀëƽºâ³£Êý´óС¹Øϵ£ºK£¨HF£©£¾K£¨H2CO3 £©£¾K£¨HClO£©£¾K£¨ HCO3-£© |
·ÖÎö A£®HFΪÈõËᣬÔÚÈÜÒºÖв¿·ÖµçÀ룬Ôò»ìºÏÒºÏÔʾËáÐÔ£»
B£®ÑÎÀàË®½âÊÇÎüÈÈ·´Ó¦£¬Éý¸ßζȴٽøÑÎÀàË®½â£»
C£®¸ù¾ÝÎïÁÏÊغ㣺2[c£¨CO32-£©+c£¨HCO3-£©+c£¨H2CO3£©]=c£¨Na+£©£¬¸ù¾ÝµçºÉÊغãµÃc£¨H+£©+c£¨Na+£©=c£¨OH-£©+c£¨HCO3-£©+2c£¨CO32-£©£»
D£®ÏàͬζÈÏ£¬ÏàͬŨ¶ÈµÄÄÆÑÎÈÜÒºÖУ¬ÈõËá¸ùÀë×ÓË®½â³Ì¶ÈÔ½´óÆäÈÜÒºpHÔ½´ó£¬Ëá¸ùÀë×ÓË®½â³Ì¶ÈÔ½´óÆäÏà¶ÔÓ¦µÄËáµÄµçÀë³Ì¶ÈԽС£¬¼´ËáµÄµçÀëƽºâ³£ÊýԽС£®
½â´ð ½â£ºA£®pH=2µÄHFÈÜÒºÓëpH=12µÄNaOHÈÜÒºÌå»ý±È1£º1»ìºÏºó£¬HF¹ýÁ¿£¬ÈÜÒºÏÔʾËáÐÔ£¬Ôò£ºc£¨H+£©£¾c£¨OH-£©£¬¸ù¾ÝµçºÉÊغã¿ÉµÃ£ºc£¨F-£©£¾c£¨Na+£©£¬ÔòÈÜÒºÖÐÀë×ÓŨ¶È´óСΪ£ºc£¨F-£©£¾c£¨Na+£©£¾c£¨H+£©£¾c£¨OH-£©£¬¹ÊA´íÎó£»
B£®ÑÎÀàË®½âÊÇÎüÈÈ·´Ó¦£¬Éý¸ßζȴٽøÑÎÀàË®½âNaClOÈÜÒºpH£¾7£¬ÔòNaClOÊÇÇ¿¼îÈõËáÑΣ¬Éý¸ßζȴٽøÆäË®½â£¬ÈÜÒºµÄ¼îÐÔÔöÇ¿£¬pHÔö´ó£¬¼ÓÈÈ0.1 mol•L-1 NaClOÈÜÒº²âÆäpH£¬pH´óÓÚ9.7£¬¹ÊBÕýÈ·£»
C£®¸ù¾ÝÎïÁÏÊغ㣺2[c£¨CO32-£©+c£¨HCO3-£©+c£¨H2CO3£©]=c£¨Na+£©£¬¸ù¾ÝµçºÉÊغãµÃc£¨H+£©+c£¨Na+£©=c£¨OH-£©+c£¨HCO3-£©+2c£¨CO32-£©£¬ËùÒÔµÃc£¨OH-£©-c£¨H+£©=c£¨HCO3-£©+2c£¨H2CO3£©£¬¹ÊCÕýÈ·£»
D£®ÏàͬζÈÏ£¬ÏàͬŨ¶ÈµÄÄÆÑÎÈÜÒºÖУ¬ÈõËá¸ùÀë×ÓË®½â³Ì¶ÈÔ½´óÆäÈÜÒºpHÔ½´ó£¬Ëá¸ùÀë×ÓË®½â³Ì¶ÈÔ½´óÆäÏà¶ÔÓ¦µÄËáµÄµçÀë³Ì¶ÈԽС£¬¼´ËáµÄµçÀëƽºâ³£ÊýԽС£¬¸ù¾Ý±íÖÐÊý¾ÝÖª£¬Ëá¸ùÀë×ÓË®½â³Ì¶ÈF-£¼HCO3-£¼ClO-£¼CO32-£¬ÔòËáµÄµçÀëƽºâ³£ÊýK£¨HF£©£¾K£¨H2CO3 £©£¾K£¨HClO£©£¾K£¨ HCO3-£©£¬¹ÊDÕýÈ·£»
¹ÊÑ¡A£®
µãÆÀ ±¾Ì⿼²éÀë×ÓŨ¶È´óС±È½Ï£¬Îª¸ßƵ¿¼µã£¬²àÖØ¿¼²éѧÉú·ÖÎöÍƶÏÄÜÁ¦£¬Ã÷È·ËáµÄµçÀë³Ì¶ÈÓëËá¸ùÀë×ÓË®½â³Ì¶È¹Øϵ¡¢ÈÜÒºÖÐÈÜÖʳɷּ°ÆäÐÔÖÊÊǽⱾÌâ¹Ø¼ü£¬Ò×´íÑ¡ÏîÊÇD£¬×¢Òâ̼Ëá¸ùÀë×Ó¶ÔÓ¦µÄËáÊÇ̼ËáÇâ¸ùÀë×Ó¶ø²»ÊÇ̼ËᣬÌâÄ¿ÄѶÈÖеȣ®
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | Ë®Ä೧¡¢Ò±½ð³§³£Óøßѹµç³ýÈ¥¹¤³§Ñ̳¾£¬ÀûÓÃÁ˽ºÌåµÄÐÔÖÊ | |
B£® | ¹ý¶àµÄÆû³µÎ²ÆøÅÅ·ÅÎïÈÝÒ×Ôì³ÉÎíö²¡¢ËáÓêºÍ¹â»¯Ñ§ÎÛȾµÈ»·¾³ÎÛȾÎÊÌâ | |
C£® | ̼Ëá¼ØÓÐÒ»¶¨µÄÈ¥ÎÛÄÜÁ¦£¬ÔÚÈÈË®ÖÐÈ¥ÎÛÄÜÁ¦¸üÇ¿ | |
D£® | ÔÚ´¬µ×ÏâǶп¿éÒÔ±£»¤´¬ÌåµÄ·½·¨½ÐÒõ¼«µç±£»¤·¨£¬ÀûÓõÄÊÇÔµç³ØÔÀí |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ÔªËØÏà¶ÔÔ×ÓÖÊÁ¿ÒÀ´ÎµÝÔö | |
B£® | ÔªËصÄ×î¸ßÕý»¯ºÏ¼Û³ÊÖÜÆÚÐԱ仯 | |
C£® | ÔªËØÔ×Ó×îÍâ²ãµç×ÓÅŲ¼³ÊÖÜÆÚÐԱ仯 | |
D£® | ÔªËؽðÊôÐÔ³ÊÖÜÆÚÐԱ仯 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ÓÃCO2ºÏ³É¿É½µ½âµÄ¾Û̼Ëáõ¥ËÜÁÏ£¬ÄܼõÉÙ°×É«ÎÛȾ¼°ÆäΣº¦ | |
B£® | Óú¬³ÈÉ«ËáÐÔÖظõËá¼ØµÄÒÇÆ÷¼ìÑé¾Æ¼Ý£¬ÀûÓÃÁËÒÒ´¼µÄ»Ó·¢ÐԺͻ¹ÔÐÔ | |
C£® | ½þÅݹý¸ßÃÌËá¼ØÈÜÒºµÄ¹èÔåÍÁ·ÅÓÚÐÂÏʵÄË®¹ûÏäÄÚÊÇΪÁË´ßÊìË®¹û | |
D£® | ¡°Ãº¸ÄÆø¡±¡¢¡°Ãº¸Äµç¡±µÈÇå½àȼÁϸÄÔ칤³ÌÓÐÀûÓÚ¼õÉÙÎíö²ÌìÆø |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ
ÎïÖÊ | ÒÒȲ | ÑõÆø | Ë® | ¶þÑõ»¯Ì¼ | M |
·´Ó¦Ç°ÖÊÁ¿/g | 5.2 | 14.4 | 0.4 | 0 | 0 |
·´Ó¦ºóÖÊÁ¿/g | 0 | 0 | 4.0 | m | 2.8 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | Na | B£® | Mg | C£® | Al | D£® | Fe |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ijÎïÖʵÄÈÜÒºpH£¼7£¬Ôò¸ÃÎïÖÊÒ»¶¨ÊÇËá»òÇ¿ËáÈõ¼îÑÎ | |
B£® | AgClÔÚͬŨ¶ÈµÄCaCl2ºÍNaClÈÜÒºÖеÄÈܽâ¶ÈÏàͬ | |
C£® | pH=4µÄCH3COOHÓëCH3COONa»ìºÏÈÜÒºÖУ¬c£¨Na+£©£¼c£¨CH3COO-£© | |
D£® | ½«pH=6µÄH2SO4Ï¡ÊÍ1000±¶ºó£¬c£¨H+£©=2 c£¨SO42-£© |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ±ê×¼×´¿öÏ£¬22.4 LÈκÎÆøÌ嶼º¬ÓÐ6.02¡Á1023¸ö·Ö×Ó | |
B£® | º¬1 molº¤Ô×ӵĺ¤ÆøÔÚ±ê×¼×´¿öϵÄÌå»ýԼΪ11.2 L | |
C£® | ³£Î³£Ñ¹Ï£¬11.2 L Cl2º¬ÓеķÖ×ÓÊýΪ0.5NA | |
D£® | ±ê×¼×´¿öÏ£¬11.2 L H2Oº¬ÓеķÖ×ÓÊýΪ0.5NA |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | Æø̬Ç⻯ÎïÎȶ¨ÐÔHF£¾HCl£¾HBr£¾HI | B£® | ÈÛµãRb£¾K£¾Na£¾Li | ||
C£® | ¼îÐÔRbOH£¾KOH£¾NaOH£¾LiOH | D£® | »¹ÔÐÔNa£¾Mg£¾Al |
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com