¡¾ÌâÄ¿¡¿ÏÂͼΪ¹ÌÌåÎïÖÊXµÄ±¥ºÍÈÜҺζÈÓëÆäÖÊÁ¿·ÖÊýµÄ±ä»¯ÇúÏß¡£
Çë»Ø´ðÏÂÁÐÎÊÌâ:
(1)Èô½«EµãµÄÈÜÒº½µÎÂÖÁ30¡æ£¬ËùµÃÈÜҺΪ___________(Ìî¡° ±¥ºÍ¡± »ò¡° ²»±¥ºÍ¡±)ÈÜÒº¡£
(2) Èô½«DµãµÄÈÜÒººãÎÂÕô·¢ÈܼÁʱ£¬Dµã½«Ïò_____µãÒƶ¯(Ñ¡ÌîA¡×E) ¡£
(3)Èô½«50gAµãµÄÈÜÒº½µÎÂÖÁ20¡æ£¬ÔòÈÜÒºÖÐÎö³öXµÄÖÊÁ¿Îª_________¡£
(4) 30¡æʱ£¬ÈôҪʹmgÖÊÁ¿·ÖÊýΪ30%µÄXÈÜÒº±äΪ36%£¬²ÉÓõķ½·¨¿ÉÒÔÊÇ_____ (ÌîÐòºÅ) ¡£
aÕô·¢µôm/6gË®
bÕô·¢µôÔÈÜÒºÖÐÈܼÁÖÊÁ¿µÄ1/2
cÔÙÈܽâ0.005mgµÄX·ÛÄ©
d¼ÓÈë1.2mg40%µÄXÈÜÒº
¡¾´ð°¸¡¿²»±¥ºÍ A 18g a
¡¾½âÎö¡¿
£¨1£©¸ù¾Ý¹ÌÌåÎïÖÊXµÄ±¥ºÍÈÜҺζÈÓëÆäÖÊÁ¿·ÖÊýµÄ±ä»¯ÇúÏߣ¬Eµã±íʾÎïÖÊXÔÚζÈΪ40¡æÏÂÖÊÁ¿·ÖÊýΪ25%µÄ²»±¥ºÍÈÜÒº£¬30¡æʱÎïÖÊXµÄ±¥ºÍÈÜÒºµÄÖÊÁ¿·ÖÊý36%£¬Èô½«EµãµÄÈÜÒº½µÎÂÖÁ30¡æ£¬´ËʱµÃµ½µÄÊDz»±¥ºÍÈÜÒº¡£
£¨2£©Èô½«DµãµÄÈÜÒººãÎÂÕô·¢ÈܼÁ£¬ºãÎÂÕô·¢Î¶Ȳ»±äÈÔΪ40¡æ£¬Õô·¢ÈܼÁ£¬ÈÜÖʵÄÖÊÁ¿·ÖÊý±ä´ó£¬ËùÒÔDµã½«ÏòAµãÒƶ¯¡£
£¨3£©Aµã±íʾÎïÖÊXÔÚζÈΪ40¡æÏÂÖÊÁ¿·ÖÊýΪ52%µÄ±¥ºÍÈÜÒº£¬50gAÖк¬ÓеÄÈÜÖʵÄÖÊÁ¿Îª50g¡Á52%=26g£¬ÈܼÁµÄÖÊÁ¿Îª50g-26g=24g£¬Èô½«50gAµãµÄÈÜÒº½µÎÂÖÁ20¡æ£¬Î¶ȽµµÍ£¬ÈܼÁ²»±ä£¬XÎïÖÊÈܽâ¶È±äС£¬20¡æʱÎïÖÊXµÄ±¥ºÍÈÜÒºµÄÖÊÁ¿·ÖÊý25%£¬Éè24gÈܼÁÖÐ×î¶àÈܽâÈÜÖÊΪ£¬Ôò£¬½âµÃ=8g£¬ÔòÈÜÒºÖÐÎö³öXµÄÖÊÁ¿Îª26g-8g=18g¡£
£¨4£©¸ù¾Ý¹ÌÌåÎïÖÊXµÄ±¥ºÍÈÜҺζÈÓëÆäÖÊÁ¿·ÖÊýµÄ±ä»¯ÇúÏߣ¬30¡æʱ£¬XÎïÖʱ¥ºÍÈÜÒºµÄÖÊÁ¿·ÖÊýΪ36%¡£ÈôҪʹmgÖÊÁ¿·ÖÊýΪ30%µÄXÈÜÒº±äΪ36%£¬²ÉÓõķ½·¨¿ÉÒÔÊÇÕô·¢ÈܼÁ»òÔö¼ÓÈÜÖÊ¡£
ÈôÕô·¢ÈܼÁ£¬¹ý³ÌÖÐÈÜÖʵÄÖÊÁ¿²»±ä£¬mgÖÊÁ¿·ÖÊýΪ30%µÄXÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿Îª30%¡Ámg=0.3 mg£¬Ë®µÄÖÊÁ¿Îªmg-30%¡Á=0.7 mg¡£±äΪ36%µÄ±¥ºÍÈÜÒººóÈÜÒºµÄÖÊÁ¿Îª£¬Ë®µÄÖÊÁ¿Îª£¬ËùÒÔÕû¸ö¹ý³ÌÖÐÐèÒªÕô·¢Ë®µÄÖÊÁ¿Îª£¬Õô·¢µôÔÈÜÒºÖÐÈܼÁÖÊÁ¿µÄ¡£
ÈôÔö¼ÓÈÜÖÊ£¬¹ý³ÌÖÐÈܼÁµÄÖÊÁ¿²»±ä£¬mgÖÊÁ¿·ÖÊýΪ30%µÄXÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿Îª30%¡Ámg=0.3 mg£¬Ë®µÄÖÊÁ¿Îªmg-30%¡Á=0.7 mg¡£±äΪ36%µÄ±¥ºÍÈÜÒººóÈÜÒºµÄÖÊÁ¿Îª£¬ÈÜÖʵÄÖÊÁ¿Îª£¬ËùÒÔÔö¼ÓµÄÈÜÖʵÄÖÊÁ¿Îª
Èô¼ÓÈë1.2mg40%µÄXÈÜÒº£¬¼ÓÈëºóÈÜÖʵÄÖÊÁ¿Îª0.3 mg+1.2mg¡Á40%=0.78 mg£¬ÈÜÒºµÄÖÊÁ¿Îªmg+ 1.2mg=2.2 mg£¬ÈÜÖʵÄÖÊÁ¿·ÖÊýΪ
¹ÊÑ¡a¡£
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¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÓÃÏÂͼװÖòⶨˮÖÐÇâ¡¢ÑõÔªËصÄÖÊÁ¿±È£¬Æä·½·¨ÊÇ·Ö±ð²â¶¨Í¨ÇâÆøÇ°ºó²£Á§¹Ü£¨°üÀ¨Ñõ»¯Í£©µÄÖÊÁ¿²îºÍUÐ͹ܣ¨°üÀ¨¼îʯ»Ò£©µÄÖÊÁ¿²î£¬¼ÆËãµÃÇâÔªËغÍÑõÔªËصÄÖÊÁ¿±È´óÓÚ1©s8.ÏÂÁжԵ¼ÖÂÕâÒ»½á¹ûµÄÔÒòµÄ·ÖÎöÖкÏÀíµÄÊÇ£¨¡¡¡¡£©
A.I¡¢¢ò×°ÖÃÖ®¼äȱÉÙ¸ÉÔï×°ÖÃ
B.III×°ÖøÉÔï¼ÁÁ¿²»×㣬ˮûÓб»ÍêÈ«ÎüÊÕ
C.CuOûÓÐÈ«²¿±»»¹Ô
D.¢ò×°ÖÃÖв£Á§¹ÜÄÚÓÐË®ÀäÄý
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Ì¼Ëá¶þ¼×õ¥±»³ÆΪÂÌÉ«»¯Ñ§ÊÔ¼Á£¬¿ÉÒÔ´úÌæ¹âÆø¡¢ÁòËá¶þ¼×õ¥µÈ¾ç¶¾ÔÁÏ£¬Í¬Ê±Ëü»¹ÊÇÁ¼ºÃ¼ÁºÍȼÓÍÌí¼Ó¼Á¡£Ì¼Ëá¶þ¼×õ¥µÄ»¯Ñ§Ê½ÎªC3H6O3£¬ÊÔ¼ÆË㣺
(1)̼Ëá¶þ¼×õ¥µÄ»¯Ñ§Ê½Á¿Îª________.
(2)̼Ëá¶þ¼×õ¥ÖÐ̼¡¢Çâ¡¢ÑõÈýÖÖÔªËصÄÖÊÁ¿±ÈΪ£¨»¯³É×î¼òÕûÊý±È£©_____________
(3)̼Ëá¶þ¼×õ¥ÖÐ̼ԪËصÄÖÊÁ¿·ÖÊýΪ£ºC%=_________£¨Ð´³ö¼ÆËã¹ý³Ì£©
(4)180g̼Ëá¶þ¼×õ¥ÖÐ̼ԪËصÄÖÊÁ¿Îª______g
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÓÐÒ»º¬Óд¿¼îµÄʳÑÎÑùÆ·£¬Ä³Í¬Ñ§³ÆÈ¡30gµÄÑùÆ··ÅÈëÉÕ±ÖУ¬ÏòÉÕ±ÖмÓÈë100g×ãÁ¿µÄÏ¡ÑÎËᣬ³ä·Ö·´Ó¦ºóÆøÌåÈ«²¿Òݳö£¬ÉÕ±ÖÐÊ£ÓàÎïµÄ×ÜÖÊÁ¿Îª125.6g£®
£¨1£©·´Ó¦Éú³ÉÆøÌåµÄÖÊÁ¿ÊÇ______g£®
£¨2£©·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊǶàÉÙ_____£¿£¨¾«È·µ½0.1%£©
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿½ðÂ̱¦Ê¯ÓֳƽðÂÌÓñ£¬ÊÇ×ÔÈ»½çÖÐ×îÃÀÀöµÄ±¦Ê¯Ö®Ò»£¬ÆäÖ÷Òª»¯Ñ§³É·ÖÊÇBeAl2O4£¬¹ØÓÚBeAl2O4µÄ˵·¨ÖдíÎóµÄÊÇ£¨ £©
A.BeΪ+2¼ÛB.BeAl2O4Ò×ÈÜÓÚË®
C.Al3+µÄ½á¹¹Ê¾ÒâͼΪD.BeAl2O4ÖÐÖ»º¬ÓÐÒ»ÖַǽðÊôÔªËØ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Ì½¾¿Ð¡×éÀûÓÃÈçͼװÖýøÐÐËÄ×éʵÑ飬½ºÍ·µÎ¹ÜÊ¢×°µÄÊÇÒºÌ壬ÉÕÆ¿ÖÐÊ¢×°µÄÊÇÆøÌå¡¢¹ÌÌå»òÒºÌ壬µ±½ºÍ·µÎ¹ÜµÎ¼¸µÎÒºÌåºó£¬Äܹ۲쵽ÆøÇò±ä´óµÄʵÑé×éºÏÊÇ£¨¡¡¡¡£©
×éºÏ | µÎ¹ÜÖÐ | ÉÕÆ¿ÖÐ |
A | Ca£¨OH£©2 | O2 |
B | HCl | Zn£¨¹Ì£© |
C | NaOH | CO2£¨Æø£© |
D | H2SO4£¨Å¨£© | H2O£¨Òº£© |
A. AB. BC. CD. D
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿µ±Ç°£¬ÊÀ½çÒѾÂõÏòÁË¡°µÍ̼¡±Ê±´ú£¬Ñ¡Ôñ¡°µÍ̼¡±¼ÈÊÇÒ»ÖÖÉú»î·½Ê½Ò²ÊÇÒ»ÖÖÉú´æÔðÈΡ£¼ÃÄÏÊй«½»ÏµÍ³ÊÊÓ¦ÐÎÊÆ·¢Õ¹£¬ÍƹãʹÓýÚÄܼõÅŵÄ˫ȼÁϹ«½»³µ¡£ÏÂͼΪ¹«½»³µÈ¼ÁÏÖ÷Òª³É·ÖÍêȫȼÉյĻ¯Ñ§·´Ó¦µÄ΢¹ÛʾÒâͼ¡£ÔòÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
A.¸Ã·´Ó¦ÖÐÔ×ÓµÄÖÖÀàÊýÄ¿¶¼²»¸Ä±ä
B.ͼʾ·´Ó¦ÊôÓÚÖû»·´Ó¦
C.¼×¡¢ÒÒÁ½ÎïÖʲμӷ´Ó¦µÄÖÊÁ¿±ÈΪ1:2
D.ͼʾ·´Ó¦Ç°ºóÑõÔªËصĻ¯ºÏ¼Û²»±ä
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÓÐA¡¢B¡¢C¡¢D¡¢EÎåÖÖ³£¼ûÎïÖÊ£¬ËüÃÇÓÐÈçͼËùʾµÄ¹Øϵ£º
ÒÑÖª£ºCÊÇÒ»ÖÖ½ðÊô£¬ÆøÌåD¿ÉÒÔʹ³ÎÇåʯ»ÒË®±ä»ë×Ç£¬EÆøÌåÓж¾£¬ÄÜÓëÈËÌåÄÚµÄѪºìµ°°×½áºÏ¡£
£¨1£©Ð´³öͼÖÐÎåÖÖÎïÖʵĻ¯Ñ§Ê½£º
A£®_____ B£®_____ C£®_____ D£®_____ E£®_____
£¨2£©Ð´³öͼÖÐËùʾÁ½¸ö·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º_____£»_____¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Í¼A¡¢BÊÇʵÑéÊÒÖÆÆøÌåµÄ³£ÓÃ×°Öã®
(1)¹ýÑõ»¯Çâ·Ö½âÖÆÈ¡O2·ÖҺ©¶·ÖÐÓ¦·ÅÈëµÄÎïÖÊÊÇ____£¬×¶ÐÎÆ¿ÖÐÓ¦·ÅÈëµÄÎïÖÊÊÇ_____£®Ð´³ö¸Ã·½·¨ÖÆÈ¡O2µÄ»¯Ñ§·½³Ìʽ______£®
(2)ÈçÓøßÃÌËá¼ØÖÆÑõÆø£¬ÖÆȡһƿ½Ï´¿¾»µÄÑõÆøÑ¡ÓõÄ×°ÖÃÊÇ_______£¬Ð´³ö¸Ã·½·¨ÖÆÈ¡O2µÄ»¯Ñ§·½³Ìʽ_______¡£
(3)ʵÑéÖй۲쵽ºÎÖÖÏÖÏóʱ¿ªÊ¼ÊÕ¼¯£¿_________£®
(4)ΪÁ˲ⶨʵÑéÖÐÂÈËá¼ØÑùÆ·µÄ´¿¶È£¬Ä³Ñ§Ï°Ð¡×éÈ¡2.5¿Ë¸ÃÑùÆ·Óë0.8¿Ë¶þÑõ»¯ÃÌ»ìºÏ¡£¼ÓÈȸûìºÏÎïµ½²»ÔÙ²úÉúÆøÌåΪֹ£¬³ÆÁ¿Ê£Óà¹ÌÌåÖÊÁ¿Îª2.34g£¬»Ø´ðÏÂÁÐÎÊÌ⣺
¢ÙÇóÍêÈ«·´Ó¦ºóÉú³ÉÑõÆøµÄÖÊÁ¿________£»
¢ÚÇó¸ÃÑùÆ·ÖÐÂÈËá¼ØµÄÖÊÁ¿________¡£
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