ÌâÄ¿ÄÚÈÝ
ÓÃ18.4mol/LµÄŨÁòËáÏ¡ÊͳÉ0.92mol/LµÄÏ¡ÁòËá100ml,»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©
ӦȡŨÁòËáµÄÌå»ý/ml | ӦѡÓÃÈÝÁ¿Æ¿µÄ¹æ¸ñ/mL | ³ýÈÝÁ¿Æ¿Í⻹ÐèÒªµÄÆäËüÒÇÆ÷ |
| | |
£¨2£©ÅäÖƲÙ×÷¿É·Ö½â³ÉÈçϼ¸²½£º
A£®ÏòÈÝÁ¿Æ¿ÖÐ×¢ÈëÉÙÁ¿ÕôÁóË®£¬¼ì²éÈÝÁ¿Æ¿ÊÇ·ñ©ˮ
B£®ÓÃÉÙÁ¿ÕôÁóˮϴµÓÉÕ±£¬½«ÈÜҺעÈëÈÝÁ¿Æ¿£¬²¢Öظ´²Ù×÷Á½´Î
C£®½«ÒÑÀäÈ´µÄÁòËá×¢ÈëÈÝÁ¿Æ¿ÖÐ
D£®¸ù¾Ý¼ÆË㣬ÓÃÁ¿Í²Á¿È¡Ò»¶¨Ìå»ýµÄŨÁòËá
E£®½«Å¨ÁòËáÑØÉÕ±±ÚÂýÂý×¢ÈëÊ¢ÓÐÕôÁóË®µÄСÉÕ±ÖУ¬²¢²»¶ÏÓò£Á§°ô½Á°è
F£®¸ÇÉÏÈÝÁ¿Æ¿Èû×Ó£¬Õñµ´£¬Ò¡ÔÈ£¬×°Æ¿
G£®ÓýºÍ·µÎ¹Ü¼ÌÐø¼ÓÕôÁóË®£¬Ê¹ÈÜÒº°¼ÃæÇ¡ºÃÓë¿Ì¶ÈÏàÇÐ
H£®¼ÌÐøÍùÈÝÁ¿Æ¿ÖÐСÐĵؼÓÕôÁóË®£¬Ê¹ÒºÃæ½Ó½ü¿Ì¶ÈÏß
ÕýÈ·µÄ²Ù×÷˳ÐòÊÇ£ºA____________________________F
£¨3£©ÏÂÁвÙ×÷½á¹û£¬Ê¹ÈÜÒºÎïÖʵÄÁ¿Å¨¶ÈÆ«µÍµÄÊÇ
A£®Ã»Óн«Ï´µÓҺתÒƵ½ÈÝÁ¿Æ¿ÖÐ
B£®ÈÝÁ¿Æ¿Ï´¾»ºóδ¾¸ÉÔï´¦Àí
C£®×ªÒƹý³ÌÖÐÓÐÉÙÁ¿µÄÈÜÒº½¦³ö
D£®Ò¡ÔȺóÁ¢¼´¹Û²ì£¬·¢ÏÖÈÜҺδ´ï¿Ì¶ÈÏߣ¬Ã»ÓÐÔÙÓõιܼӼ¸µÎÕôÁóË®ÖÁ¿Ì¶ÈÏß
£¨1£©5.0£¨2·Ö£©£¬100£¨2·Ö£©£¬Á¿Í²¡¢ÉÕ±¡¢²£Á§°ô¡¢½ºÍ·µÎ¹Ü£¨2·Ö£©
£¨2£©DECBHG£¨3·Ö£© £¨3£©AC£¨3·Ö£©
½âÎöÊÔÌâ·ÖÎö£º£¨1£©ÓÃ18.4mol/LµÄŨÁòËáÏ¡ÊͳÉ0.92mol/LµÄÏ¡ÁòËá100ml,Ôò¸ù¾ÝÏ¡Ê͹ý³ÌÖÐÈÜÖʲ»±ä¿ÉÖª£¬ÐèҪŨÁòËáµÄÌå»ý£½£½0.005L£½5.0ml£¬ËùÒÔӦȡŨÁòËáµÄÌå»ýÊÇ5.0ml¡£ÅäÖÆ100mlÁòËᣬÔòÐèÒª100mlÈÝÁ¿Æ¿¡£ÁíÍ⻹ÐèÒªÁ¿Í²Á¿È¡Å¨ÁòËᣬϡÊÍŨÁòËáÓÃÉÕ±£¬Ï¡ÊͺÍתÒÆ»¹ÐèÒª²£Á§°ô£¬¶¨ÈÝʱ»¹ÐèÒª½ºÍ·µÎ¹Ü¡£
£¨2£©ÈÝÁ¿Æ¿ÔÚʹÓÃÇ°ÐèÒª²é©£¬¾ßÌåµÄ²Ù×÷²½ÖèÓмÆËã¡¢Á¿È¡¡¢Ï¡ÊÍ¡¢ÀäÈ´¡¢ÒÆÒº¡¢Ï´µÓÒÆÒº¡¢¶¨ÈÝ¡¢Ò¡ÔȵȲÙ×÷£¬ËùÒÔÆä²Ù×÷˳ÐòÊÇA DECBHGF¡£
£¨3£©¸ù¾ÝcB£½nB/V¿ÉµÃ£¬Ò»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºÅäÖƵÄÎó²î¶¼ÊÇÓÉÈÜÖʵÄÎïÖʵÄÁ¿£îBºÍÈÜÒºµÄÌå»ýVÒýÆðµÄ¡£Îó²î·ÖÎöʱ£¬¹Ø¼üÒª¿´ÅäÖƹý³ÌÖÐÒýÆð£îºÍVÔõÑùµÄ±ä»¯¡£ÔÚÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜҺʱ£¬ÈônB±ÈÀíÂÛֵС£¬»òV±ÈÀíÂÛÖµ´óʱ£¬¶¼»áʹËùÅäÈÜҺŨ¶ÈƫС£»ÈônB±ÈÀíÂÛÖµ´ó£¬»òV±ÈÀíÂÛֵСʱ£¬¶¼»áʹËùÅäÈÜҺŨ¶ÈÆ«´ó¡£A¡¢Ã»Óн«Ï´µÓҺתÒƵ½ÈÝÁ¿Æ¿ÖУ¬ÔòÈÜÖʼõÉÙ£¬ËùÅäŨ¶ÈÆ«µÍ£»B¡¢ÈÝÁ¿Æ¿Ï´¾»ºóδ¾¸ÉÔï´¦Àí²»»áÓ°ÏìʵÑé½á¹û£¬¼´Å¨¶È²»±ä£»C¡¢×ªÒƹý³ÌÖÐÓÐÉÙÁ¿µÄÈÜÒº½¦³ö£¬ÔòÈÜÖʼõÉÙ£¬ËùÅäŨ¶ÈÆ«µÍ£»D¡¢Ò¡ÔȺóÁ¢¼´¹Û²ì£¬·¢ÏÖÈÜҺδ´ï¿Ì¶ÈÏߣ¬Ã»ÓÐÔÙÓõιܼӼ¸µÎÕôÁóË®ÖÁ¿Ì¶ÈÏߣ¬Å¨¶È²»±ä£¬Òò´Ë´ð°¸Ñ¡AC¡£
¿¼µã£º¿¼²éÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈµÄÅäÖÆ¡¢ÒÇÆ÷Ñ¡ÔñÒÔ¼°Îó²î·ÖÎöµÈ
ÌúÂÁºÏ½ðÊÇÒ»ÖÖÐÂÐ͸ßνṹ²ÄÁÏ¡£
£¨1£©Í¼9±íʾÊÒÎÂʱ²»Í¬×é·ÝµÄFe3AlÔÚ65%ŨHNO3 Öеĸ¯Ê´Çé¿ö¡£ÓÉͼ9¿É¿´³öÌí¼ÓÁË £¨Ìî·ûºÅ£©ÔªËصĺϽðÄÍÊ´ÐÔ×î²î¡£
£¨2£©¸ßÎÂÌõ¼þÏ£¬AlºÍFe2O3°´Ò»¶¨±ÈÀý»ìºÏ·´Ó¦¿ÉÖÆ
|
¢ÙСÃ÷ͬѧÌá³öÈçÏ·½°¸£º×¼È·³ÆÈ¡1.46g¸ÃºÏ½ð·ÛÄ©£¬ÔÙ¼ÓÈë×ãÁ¿NaOHÈÜÒº£¨Si+2NaOH+H2O£½Na2SiO3+2H2¡ü£©£¬³ä·Ö·´Ó¦ºó¹ýÂË£¬Í¨¹ý²â¶¨Ê£Óà¹ÌÌåÖÊÁ¿¼°ÊÕ¼¯µ½ÆøÌåµÄÌå»ý£¬¿É¼ÆËã³ö´ËºÏ½ðµÄ×é³É¡£Ð´³öAlÓëNaOHÈÜÒº·´Ó¦µÄÀë×Ó·½³Ìʽ ¡£
¢ÚС¾üͬѧÈÏΪ¸Ã·½°¸ÄÑÒԲⶨ±ê×¼×´¿öÏÂÆøÌåµÄÌå»ý£¬²Ù×÷²»¼ò±ã¡£ÓÚÊÇËûÉè¼ÆÁ˵ڶþÖÖ·½°¸£º×¼È·³ÆÈ¡1.46g¸ÃºÏ½ð·ÛÄ©£¬¼ÓÈë¹ýÁ¿ÑÎËáÈÜÒº³ä·Ö·´Ó¦ºó¹ýÂË£¬²â¶¨Ê£Óà¹ÌÌåÖÊÁ¿0.07g¡£ÏòÂËÒºÖеμÓ×ãÁ¿Å¨NaOHÈÜÒº£¬³ä·Ö½Á°è¡¢¹ýÂË¡¢Ï´µÓµÃ¹ÌÌå¡£ÔÙ½«ËùµÃ¹ÌÌå³ä·Ö¼ÓÈÈ¡¢×ÆÉյúì×ØÉ«·ÛÄ©1.60g¡£ÊÔͨ¹ý¼ÆËãÈ·¶¨´ËºÏ½ðµÄ×é³É¡£
ÂÈ»¯ÄÆÈÜÒºÔÚÉú²ú¡¢Éú»îÖж¼Óй㷺µÄÓÃ;¡£ÏÖÅäÖÃ1 L 0.2 mol¡¤L-1 NaClÈÜÒº£¬Çë»Ø´ðÎÊÌâ¡£
ʵÑé²½Öè | ÓйØÎÊÌâ |
£¨1£©¼ÆËã²¢³ÆÁ¿ | ÓÃÍÐÅÌÌìƽ³ÆÁ¿NaCl¹ÌÌåµÄÖÊÁ¿Îª g |
£¨2£©Èܽâ | Ϊ¼ÓËÙÈܽ⣬¿É½øÐеIJÙ×÷ÊÇ |
£¨3£©×ªÒÆ | Ö¸³öʾÒâͼÖеÄÁ½´¦´íÎó£º ´íÎó1£º ´íÎó2£º |
£¨4£©Ï´µÓ | ÓÃÉÙÁ¿ÕôÁóˮϴµÓ 2~3´Î£¬²¢½«Ï´µÓҺתÒƵ½ÈÝÁ¿Æ¿ÖÐ |
£¨5£©¶¨ÈÝ | Èô¸©ÊÓÈÝÁ¿Æ¿¿Ì¶ÈÏߣ¬¶¨Èݺó»áÔì³ÉËùÅäÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶È £¨Ìî¡°Æ«¸ß¡±¡°Æ«µÍ¡±»ò¡°ÎÞÓ°Ï족£© |
ÓÃ18.4mol¡¤L-1µÄŨH2SO4ÅäÖÆ100mLŨ¶ÈΪ1mol¡¤L-1µÄH2SO4ÈÜÒº£¬Æä²Ù×÷¿É·ÖΪÒÔϸ÷²½£º
A£®ÓÃÁ¿Í²È¡¡¡mLŨH2SO4»º»º×¢Èë×°ÓÐÔ¼50mLÕôÁóË®µÄÉÕ±ÖÐ,²¢Óò£Á§°ô²»¶Ï½Á°è |
B£®ÓÃÔ¼30mLÕôÁóË®£¬·Ö³ÉÈý´ÎÏ´µÓÉÕ±ºÍ²£Á§°ô£¬½«Ã¿´ÎÏ´Òº¶¼µ¹Èë100mLÈÝÁ¿Æ¿Àï |
C£®½«Ï¡ÊͺóH2SO4ÈÜҺСÐĵ¹Èë100mLÈÝÁ¿Æ¿Àï |
D£®¼ì²é100mLÈÝÁ¿Æ¿¿Ú²¿ÊÇ·ñ»á·¢ÉúµÎ© |
£¨F£©¸Ç½ôÆ¿Èû£¬·´¸´µßµ¹Õñµ´£¬Ò¡ÔÈÈÜÒº
£¨G£©Óá¡¡¡¡¡¡¡ÏòÈÝÁ¿Æ¿ÀïÖðµÎµÎÈëÕôÁóË®£¬ÖÁÒºÃæ×îµÍµãÇ¡ºÃºÍ»·Ðο̶ÈÏßÏàÇÐ
¾Ý´ËÌîд£º£¨1£©ÉÏÊö¸÷²½µÄ¿Õ°×´¦¡£
£¨2£©ÕýÈ·µÄ²Ù×÷˳ÐòÊÇ£¨×ÖĸÌîд£©¡¡¡¡¡¡¡¡¡£
£¨3£©½øÐÐA²½²Ù×÷ӦѡÔñÏÂÁÐÁ¿Æ÷£º¢Ù10mLÁ¿Í²£»¢Ú50mLÁ¿Í²£»500mLÁ¿Í²£»¢Ü1000mLÁ¿Í²Öеģ¨ÌîÐòºÅ£©¡¡¡¡¡¡¡¡¡¡¡£
ÏÂÁÐÔªËØÖУ¬ÊôÓڷǽðÊôÔªËصÄÊÇ
A£®Ca | B£®C | C£®Na | D£®Al |
¡°»¯Ñ§ÊÇÈËÀà½ø²½µÄ¹Ø¼ü¡±¡£ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ (¡¡¡¡)
A£®PM2.5ÊÇÖ¸¿ÕÆøÖÐÖ±¾¶¡Ü2.5 ¦ÌmµÄ¹ÌÌå¿ÅÁ£»òÒºµÎµÄ×Ü³Æ |
B£®¸ù¾Ý·ÖÉ¢ÖÊÁ£×ÓµÄÖ±¾¶´óС£¬·Öɢϵ¿É·ÖΪÈÜÒº¡¢×ÇÒººÍ½ºÌ壬×ÇÒºµÄ·ÖÉ¢ÖÊÁ£×Ó´óС½éÓÚÈÜÒºÓ뽺ÌåÖ®¼ä |
C£®¿Æѧ¼Ò·¢ÏÖÒ»ÖÖÐÂϸ¾úµÄDNAÁ´ÖÐÓÐÉ飨As£©ÔªËØ£¬¸ÃAsÔªËØ×îÓпÉÄÜÈ¡´úÁËÆÕͨDNAÁ´ÖеÄPÔªËØ |
D£®ºÍCO2·´Ó¦Éú³É¿É½µ½â¾ÛºÏÎ¸Ã·´Ó¦·ûºÏÂÌÉ«»¯Ñ§µÄÔÔò |
·ÖÀà·¨ÊÇÒ»ÖÖÐÐÖ®ÓÐЧ¡¢¼òµ¥Ò×ÐеĿÆѧ·½·¨£¬ÈËÃÇÔÚÈÏʶÊÂÎïʱ¿É²ÉÈ¡¶àÖÖ·ÖÀà·½·¨¡£ÏÂÁи÷×é¹éÀàÖв»ºÏÀíµÄÊÇ
Ñ¡Ïî | °´Ä³Ò»·ÖÀà±ê×¼·ÖÀàµÄÒ»×é | ¹éÀà |
A | FeSO4 ¡¢NO2 ¡¢MnO2¡¢NaClO | H2SO3 |
B | CH3COOH¡¢HClO¡¢H2S¡¢HOOC-COOH | HF |
C | ¼Ó¾Û·´Ó¦¡¢Àë×Ó·´Ó¦¡¢·ÅÈÈ·´Ó¦¡¢Ñõ»¯»¹Ô·´Ó¦ | ÑæÉ«·´Ó¦ |
D | (NH4)2SO4¡¢NH4Cl¡¢NH4NO3¡¢NH3¡¤H2O | NH4HCO3 |