ÌâÄ¿ÄÚÈÝ
11£®ÈçͼÊÇijѧУʵÑéÊÒ´Ó»¯Ñ§ÊÔ¼ÁÉ̵êÂò»ØµÄÁòËáÊÔ¼Á±êÇ©ÉϵIJ¿·ÖÄÚÈÝ£®¢ñ£®ÏÖÓøÃŨÁòËáÅäÖÆ100mL¡¡1mol/LµÄÏ¡ÁòËᣮ¿É¹©Ñ¡ÓõÄÒÇÆ÷ÓУº
¢Ù½ºÍ·µÎ¹Ü£»¢ÚÉÕÆ¿£»¢ÛÉÕ±£»¢ÜÒ©³×£»¢ÝÁ¿Í²£»¢ÞÍÐÅÌÌìƽ£®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÅäÖÆÏ¡ÁòËáʱ£¬ÉÏÊöÒÇÆ÷Öв»ÐèҪʹÓõÄÓТڢܢޣ¨ÌîÐòºÅ£©£¬»¹È±ÉÙµÄÒÇÆ÷Óв£Á§°ô£¬100mLÈÝÁ¿Æ¿£¨Ð´ÒÇÆ÷Ãû³Æ£©£»
£¨2£©¼ÆËãÅäÖÆ100mL1mol/LµÄÏ¡ÁòËáÐèÒªÓÃÁ¿Í²Á¿È¡ÉÏÊöŨÁòËáµÄÌå»ýΪ5.4mL£¨±£ÁôһλСÊý£©£¬Á¿È¡Å¨ÁòËáʱӦѡÓâ٣¨Ñ¡Ìî¢Ù10mL¡¢¢Ú50mL¡¢¢Û100mL£©¹æ¸ñµÄÁ¿Í²£»
¢ò£®Îó²î·ÖÎö£º£¨Ìî¡°Æ«¸ß¡±¡¢¡°Æ«µÍ¡±¡¢¡°ÎÞÓ°Ï족£©
£¨1£©¶¨Èݺ󣬼Ӹǵ¹×ªÒ¡ÔȺ󣬷¢ÏÖÒºÃæµÍÓڿ̶ÈÏߣ¬ÓֵμÓÕôÁóË®ÖÁ¿Ì¶È£®¶ÔËùÅäÈÜҺŨ¶ÈµÄÓ°Ï죺ƫµÍ£»
£¨2£©ÈôÈÝÁ¿Æ¿ÖÐÏ´¾»ºóδ¸ÉÔ²ÐÁôÉÙÁ¿Ë®£¬ÔòËùÅäÖƵÄÈÜҺŨ¶ÈÎÞÓ°Ï죻
£¨3£©¶¨ÈÝʱ£¬ÑÛ¾¦ÑöÊÓ£¬ÔòËùÅäÖƵÄÈÜҺŨ¶ÈÆ«µÍ£®
·ÖÎö I¡¢£¨1£©¸ù¾ÝÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈµÄÈÜÒºÅäÖƲ½ÖèÑ¡ÔñʹÓÃÒÇÆ÷¼´»¹È±ÉÙµÄÒÇÆ÷£»
£¨2£©¸ù¾Ýc=¼ÆËã³öŨÁòËáµÄÎïÖʵÄÁ¿Å¨¶È£¬¸ù¾Ý100mL1mol/LµÄÏ¡ÁòËáÖÐÁòËáµÄÎïÖʵÄÁ¿¼ÆËã³öÐèҪŨÁòËáµÄÌå»ý£¬¸ù¾Ý¼ÆËã½á¹ûÑ¡ÔñÁ¿Í²µÄ¹æ¸ñ£®
II£®¸ù¾Ýc=$\frac{n}{V}$½áºÏ²Ù×÷¹ý³Ì¶ÔnºÍVµÄÓ°ÏìÀ´·ÖÎö£®
½â´ð ½â£ºI£®£¨1£©ÖÆ100mL¡¡1mol/LµÄÏ¡ÁòËáµÄÅäÖƲ½ÖèÓУº¼ÆËã¡¢Á¿È¡¡¢Ï¡ÊÍ¡¢ÀäÈ´¡¢ÒÆÒº¡¢Ï´µÓÒÆÒº¡¢¶¨ÈÝ¡¢Ò¡ÔȵȲÙ×÷£»Ò»°ãÓÃÁ¿Í²Á¿È¡£¨Óõ½½ºÍ·µÎ¹Ü£©£¬ÔÚÉÕ±ÖÐÏ¡ÊÍ£¬²¢Óò£Á§°ô½Á°è£¬ÀäÈ´ºóתÒƵ½100mLÈÝÁ¿Æ¿ÖУ¬²¢Óò£Á§°ôÒýÁ÷£¬µ±¼ÓË®ÖÁÒºÃæ¾àÀë¿Ì¶ÈÏß1¡«2cmʱ£¬¸ÄÓýºÍ·µÎ¹ÜµÎ¼Ó£¬µÎ¼ÓÖÁÈÜÒº°¼ÃæÓë¿Ì¶ÈÏßˮƽÏàÇУ¬¸ÇºÃÆ¿Èû£¬Ò¡ÔÈ£¬ÐèҪʹÓõÄÒÇÆ÷Ϊ£ºÁ¿Í²¡¢ÉÕ±¡¢²£Á§°ô¡¢100mLÈÝÁ¿Æ¿¡¢½ºÍ·µÎ¹Ü£¬ËùÒÔ²»ÐèÒªµÄÒÇÆ÷Ϊ£º¢Ú¢Ü¢Þ£¬»¹È±ÉÙµÄÒÇÆ÷Ϊ£º²£Á§°ô¡¢100mLÈÝÁ¿Æ¿£¬
¹Ê´ð°¸Îª£º¢Ú¢Ü¢Þ£»²£Á§°ô¡¢100mLÈÝÁ¿Æ¿£»
£¨2£©Í¼Ê¾ÖÐŨÁòËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ£ºc=$\frac{1000¡Á1.84¡Á98%}{98}$mol/L=18.4mol/L£¬ÅäÖÆ100mL1mol/LµÄÏ¡ÁòËáÐèÒªÓÃÁ¿Í²Á¿È¡ÉÏÊöŨÁòËáµÄÌå»ýΪ£º$\frac{1mol/L¡Á0.1L}{18.4mol/L}$¡Ö0.0054L=5.4mL£»Ó¦¸ÃÑ¡ÓâÙ10mLÁ¿Í²£¬
¹Ê´ð°¸Îª£º5.4£»¢Ù£»
II£®£¨1£©¶¨Èݺ󣬼Ӹǵ¹×ªÒ¡ÔȺ󣬷¢ÏÖÒºÃæµÍÓڿ̶ÈÏßÊÇÕý³£µÄ£¬ÓֵμÓÕôÁóË®ÖÁ¿Ì¶È£¬»áµ¼ÖÂÈÜҺŨ¶ÈƫС£¬¹Ê´ð°¸Îª£ºÆ«µÍ£»
£¨2£©ÈôÈÝÁ¿Æ¿ÖÐÏ´¾»ºóδ¸ÉÔ²ÐÁôÉÙÁ¿Ë®£¬¶ÔËùÅäÖƵÄÈÜҺŨ¶ÈÎÞÓ°Ï죬¹Ê´ð°¸Îª£ºÎÞÓ°Ï죻
£¨3£©¶¨ÈÝʱ£¬ÑÛ¾¦ÑöÊÓ£¬ÔòËùÅäÖƵÄÈÜÒºµÄÌå»ýÆ«´ó£¬ÔòŨ¶ÈƫС£¬¹Ê´ð°¸Îª£ºÆ«µÍ£®
µãÆÀ ±¾Ì⿼²éÁËÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈµÄÈÜÒºµÄ·½·¨£¬¸ÃÌâÊÇÖеÈÄѶȵÄÊÔÌ⣬ÊÔÌâ»ù´¡ÐÔÇ¿£¬Ìù½ü¸ß¿¼£»¸ÃÌâÄÑÒ×ÊÊÖУ¬×¢ÖØÁé»îÐÔ£¬²àÖضÔѧÉúÄÜÁ¦µÄÅàÑøºÍ½âÌâ·½·¨µÄÖ¸µ¼ºÍѵÁ·£¬ÓÐÀûÓÚÅàÑøѧÉúµÄÂ߼˼άÄÜÁ¦ºÍÑϽ÷µÄ¹æ·¶ÊµÑé²Ù×÷ÄÜÁ¦£»¸ÃÌâµÄÄѵãÔÚÓÚÎó²î·ÖÎö£¬×¢ÒâÕÆÎÕÎó²î·ÖÎöµÄ·½·¨Óë¼¼ÇÉ£®
A£® | ·Ö×ÓʽΪC9H5O4 | |
B£® | ÓëäåË®¼ÈÄÜ·¢ÉúÈ¡´ú·´Ó¦£¬ÓÖÄÜ·¢Éú¼Ó³É·´Ó¦ | |
C£® | 1mol¿§·ÈËá×î¶à¿ÉÓë5molÇâÆø·¢Éú¼Ó³É·´Ó¦ | |
D£® | ÄÜÓëNa2CO3ÈÜÒº·´Ó¦£¬µ«²»ÄÜÓëNaHCO3ÈÜÒº·´Ó¦ |
A£® | ¼ÓÈëÍƬ | B£® | ͨÈëÂÈÆø | C£® | µÎ¼ÓKSCNÈÜÒº | D£® | ¼ÓÈëÌú·Û |
A£® | Ö´ÐС°ÏÞËÜÁÖ÷ÒªÊÇΪÁ˽ÚÔ¼×ÊÔ´ | |
B£® | ½ð¸ÕʯÊÇ×ÔÈ»½çÖÐÓ²¶È×î´óµÄÎïÖÊ£¬²»¿ÉÄÜÓëÑõÆø·¢Éú·´Ó¦ | |
C£® | ÀûÓö¡´ï¶ûЧӦ¿ÉÇø·Öµ°°×ÖÊÈÜÒºÓëÆÏÌÑÌÇÈÜÒº | |
D£® | ¹¤ÒµÉú²úÁòËáÖУ¬½¨Á¢¸ßÑÌ´Ñ¿ÉÒÔ½µµÍµØÃæSO2µÄŨ¶È£¬¼õÉÙ¿ÕÆøÎÛȾ |
A£® | XÓöFeCl3ÈÜÒºÄÜ·¢ÉúÏÔÉ«·´Ó¦ | |
B£® | Ò»¶¨Ìõ¼þÏ£¬XÄÜ·¢ÉúÈ¡´ú¡¢Ë®½â¡¢Ñõ»¯¡¢¼Ó³É¡¢¼Ó¾Û¡¢Ëõ¾ÛµÈ·´Ó¦ | |
C£® | 1mol X·Ö±ðÓë×ãÁ¿µÄNaOH¡¢ÇâÆø·´Ó¦£¬×î¶àÄÜÏûºÄ5mol NaOH¡¢7mol ÇâÆø | |
D£® | ÓëµÈÁ¿X·´Ó¦Ê±£¬ËùÐèNa¡¢NaHCO3¡¢Na2CO3µÄ×î´óÁ¿ÎïÖʵÄÁ¿Ö®±ÈÊÇ3£º1£º1.5 |
A£® | Ôö´ó·´Ó¦ÎïµÄÁ¿ | B£® | Ôö´óѹǿ | C£® | Éý¸ßÎÂ¶È | D£® | ¼õÉÙÉú³ÉÎïµÄÁ¿ |