ʵÑéÊÒÓÃÃܶÈΪ1.84g/cm3£¬ÈÜÖʵÄÖÊÁ¿·ÖÊýΪ98%µÄÁòËᣬÅäÖÆ200mLÎïÖʵÄÁ¿Å¨¶ÈΪ0.46mol/LµÄÁòËᣮ
£¨1£©Ó¦Á¿È¡98%µÄÁòËáµÄÌå»ýΪ______mL£®¸ÃÊÔÑéÖÐÁ½´ÎÓõ½²£Á§°ô£¬Æä×÷Ó÷ֱðÊÇ______£¬______£®
£¨2£©Ê¹ÓÃÈÝÁ¿Æ¿Ç°±ØÐë½øÐеĵÚÒ»²½²Ù×÷ÊÇ______£®
£¨3£©ÅäÖÆÈÜҺʱ£¬Ò»°ã¿ÉÒÔ·ÖΪÒÔϼ¸¸ö²½Ö裺
¢Ù³ÆÁ¿ ¢Ú¼ÆËã ¢ÛÈܽ⠢ÜÒ¡ÔÈ ¢ÝתÒÆ ¢ÞÏ´µÓ ¢ß¶¨ÈÝ ¢àÀäÈ´
ÆäÕýÈ·µÄ²Ù×÷˳ÐòΪ______£®
£¨1£©Å¨ÁòËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪc=
1000¦Ñw
M
=
1000¡Á1.84¡Á98%
98
mol/L=18.4mol/L£¬
ÉèËùÐèŨÁòËáµÄÌå»ýΪV£¬ÔòÓÐV¡Á18.4mol/L=O.2L¡Á0.46mol/L£¬ÔòV=
O.2L¡Á0.46mol/L
18.4mol/L
=O.005L=5mL£¬
²£Á§°ôÔÚÈܽâʱÆðµ½½Á°è×÷Óã¬ÔÚÒÆҺʱÆðµ½ÒýÁ÷×÷Óã¬
¹Ê´ð°¸Îª£º5£»½Á°è£»ÒýÁ÷£»
£¨2£©ÈÝÁ¿Æ¿ÔÚʹÓÃÇ°¼ì²éÊÇ·ñ©ˮ£¬¹Ê´ð°¸Îª£º¼ì²éÊÇ·ñ©ˮ£»
£¨3£©²Ù×÷²½ÖèÓгÆÁ¿¡¢Èܽ⡢ÒÆÒº¡¢Ï´µÓ¡¢¶¨ÈÝ¡¢Ò¡ÔȵȲÙ×÷£¬¹Ê´ð°¸Îª£º¢Ú¢Ù¢Û¢à¢Ý¢Þ¢ß¢Ü£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

ÔÚʵÑéÊÒÀï¿ÉÓÃͼһËùʾװÖÃÖÆÈ¡ÂÈËá¼Ø¡¢´ÎÂÈËáÄƺÍ̽¾¿ÂÈË®µÄÐÔÖÊ£®

ͼһÖУº¢ÙΪÂÈÆø·¢Éú×°Ö㻢ڵÄÊÔ¹ÜÀïÊ¢ÓÐ15mL 30% KOHÈÜÒº£¬²¢ÖÃÓÚÈÈˮԡÖУ»¢ÛµÄÊÔ¹ÜÀïÊ¢ÓÐ15mL 8% NaOHÈÜÒº£¬²¢ÖÃÓÚ±ùˮԡÖУ»¢ÜµÄÊÔ¹ÜÀï¼ÓÓÐ×ÏɫʯÈïÊÔÒº£»¢ÝΪβÆøÎüÊÕ×°Öã®ÇëÌîдÏÂÁпհףº
£¨1£©×°ÖâÙÊÇÂÈÆø·¢Éú×°Öã¬ÕôÁóÉÕÆ¿ÖÐÊ¢·ÅMnO2¹ÌÌ壬Æä·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
MnO2+4HCl£¨Å¨£©
  ¡÷  
.
 
MnCl2+Cl2¡ü+2H2O
MnO2+4HCl£¨Å¨£©
  ¡÷  
.
 
MnCl2+Cl2¡ü+2H2O
£®
£¨2£©Èç¹ûʵÑéÊÒÖÐMnO2ÓÃÍêÁË£¬ÔòÏÂÁÐÎïÖÊ¿ÉÄÜ¿ÉÒÔÓÃÀ´´úÌæMnO2ÖÆCl2µÄÊÇ£º
A¡¢C
A¡¢C
£¨ÒÑÖªÑõ»¯ÐÔÇ¿Èõ˳ÐòΪ£ºNaBiO3£¾PbO2£¾MnO2£¾FeCl3£©£®
A£®NaBiO3     B£®FeCl3     C£®PbO2
£¨3£©±È½ÏÖÆÈ¡ÂÈËá¼ØºÍ´ÎÂÈËáÄƵÄÌõ¼þ£¬¶þÕߵIJîÒìÊÇ¢Ù
ÖÆȡζȲ»Í¬
ÖÆȡζȲ»Í¬
£» ¢Ú
ÖÆȡʱ¼îµÄŨ¶ÈÒ²²»Í¬
ÖÆȡʱ¼îµÄŨ¶ÈÒ²²»Í¬
£®
£¨4£©·´Ó¦Íê±Ï¾­ÀäÈ´ºó£¬¢ÚµÄÊÔ¹ÜÖÐÓдóÁ¿¾§ÌåÎö³ö£®Í¼¶þÖзûºÏ¸Ã¾§ÌåÈܽâ¶ÈÇúÏßµÄÊÇ
M
M
£¨Ìîд±àºÅ×Öĸ£©£»´Ó¢ÚµÄÊÔ¹ÜÖзÖÀë³ö¸Ã¾§ÌåµÄ·½·¨ÊÇ
¹ýÂË
¹ýÂË
£¨ÌîдʵÑé²Ù×÷Ãû³Æ£©£®
£¨5£©¸ù¾Ý¢ÜµÄÊÔ¹ÜÀï×ÏɫʯÈïÊÔÒºµÄÑÕÉ«±ä»¯¿É·ñÖ¤Ã÷ÂÈÆøµÄÇ¿Ñõ»¯ÐÔ
·ñ
·ñ
£®ÎªÊ²Ã´£¿
ʯÈïÈÜÒºÍÊÉ«µÄÊÇÒòΪHClOµÄÇ¿Ñõ»¯ÐÔ¶ø²»ÊÇCl2
ʯÈïÈÜÒºÍÊÉ«µÄÊÇÒòΪHClOµÄÇ¿Ñõ»¯ÐÔ¶ø²»ÊÇCl2
£®
£¨6£©Ò»¶¨Á¿µÄÇâÆøÔÚÂÈÆøÖÐȼÉÕ£¬ËùµÃµÄ»ìºÏÎïÓÃ100mL 3.00mol/LµÄNaOHÈÜÒº£¨ÃܶÈΪ1.2g/mL£©Ç¡ºÃÍêÈ«ÎüÊÕ£¬²âµÃÈÜÒºÖк¬ÓÐNaClOµÄÎïÖʵÄÁ¿Îª0.0500mol£®ËùµÃÈÜÒºÖÐCl-Àë×ÓµÄÎïÖʵÄÁ¿
0.250mol
0.250mol
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ʵÑéÊÒÓÃÃܶÈΪ1.2g/cm3£¬ÖÊÁ¿·ÖÊýΪ36.5% Å¨ÑÎËáÅäÖÆ500mL  0.200mol/LµÄÑÎËáÈÜÒº£¬Ìî¿Õ²¢Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÅäÖÆ500mL  0.200mol/LµÄÑÎËáÈÜÒº£¬Ó¦ÓÃÁ¿Í²Á¿È¡ÑÎËáÌå»ý
8.3
8.3
mL£®
£¨2£©ÅäÖÆʱ£¬ÆäÕýÈ·µÄ²Ù×÷˳ÐòÊÇ£¨×Öĸ±íʾ£¬Ã¿¸ö×ÖĸֻÄÜÓÃÒ»´Î£©
BCAFED
BCAFED
£®
A£®ÓÃÕôÁóˮϴµÓÉÕ±­2-3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿£¬Õñµ´
B£®ÓÃÁ¿Í²Á¿È¡ËùÐèµÄŨÑÎËáµÄÌå»ý£¬Ñز£Á§°ôµ¹ÈëÉÕ±­ÖУ¬ÔÙ¼ÓÈëÔ¼100mLµÄÕôÁóË®£¬Óò£Á§°ôÂýÂý½Á¶¯£¬Ê¹Æä»ìºÏ¾ùÔÈ
C£®½«ÒÑÀäÈ´µÄÑÎËáÑز£Á§°ô×¢Èë500mLµÄÈÝÁ¿Æ¿ÖÐ
D£®½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ
E£®¸ÄÓýºÍ·µÎ¹Ü¼ÓË®£¬Ê¹ÈÜÒº°¼ÃæÇ¡ºÃÓë¿Ì¶ÈÏàÇÐ
F£®¼ÌÐøÍùÈÝÁ¿Æ¿ÄÚСÐļÓË®£¬Ö±µ½ÒºÃæ½Ó½ü¿Ì¶È1-2cm´¦
£¨3£©Èô³öÏÖÈçÏÂÇé¿ö£¬¶ÔËùÅäÈÜҺŨ¶È½«ÓкÎÓ°Ï죿£¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°ÎÞÓ°Ï족£©Ã»ÓнøÐÐA²Ù×÷
ƫС
ƫС
£»¼ÓÕôÁóˮʱ²»É÷³¬¹ýÁ˿̶ÈÔÙ½«¶à³öµÄÈÜÒºÓýºÍ·µÎ¹ÜÎü×ß
ƫС
ƫС
£»¶¨ÈÝʱ¸©ÊÓ¶ÁÊý
Æ«´ó
Æ«´ó
£»ÈÝÁ¿Æ¿ÖÐÔ­ÁôÓÐÉÙÁ¿ÕôÁóË®
ÎÞÓ°Ïì
ÎÞÓ°Ïì
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£ººÚÁú½­Ê¡º×¸ÚÒ»ÖÐ2010£­2011ѧÄê¸ßÒ»ÉÏѧÆÚÆÚÖп¼ÊÔ»¯Ñ§ÊÔÌâ ÌâÐÍ£º058

ÓÃ9 mol/LµÄŨÁòËáÏ¡ÊͳÉ0.9 mol/LµÄÏ¡ÁòËá100 mL£¬»Ø´ðÏÂÁÐÎÊÌ⣺

(1)ÐèҪȡŨÁòËá________mL

(2)ÅäÖƲÙ×÷¿É·Ö½â³ÉÈçϼ¸²½£¬ÒÔÏÂÕýÈ·µÄ²Ù×÷˳ÐòÊÇ________£®

A£®ÏòÈÝÁ¿Æ¿ÖÐ×¢ÈëÉÙÁ¿ÕôÁóË®£¬¼ì²éÊÇ·ñ©ˮ

B£®ÓÃÉÙÁ¿ÕôÁóˮϴµÓÉÕ±­¼°²£Á§°ô£¬½«ÈÜҺעÈëÈÝÁ¿Æ¿£¬²¢Öظ´²Ù×÷Á½´Î

C£®ÓÃÒÑÀäÈ´µÄÏ¡ÁòËá×¢ÈëÒѼì²é²»Â©Ë®µÄÈÝÁ¿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

G£®ÓýºÍ·µÎ¹ÜµÎ¼ÓÕôÁóË®£¬Ê¹ÈÜÒº°¼ÃæÇ¡ºÃÓë¿Ì¶ÈÏàÇÐ

H£®¼ÌÐøÍùÈÝÁ¿Æ¿ÖÐСÐĵؼÓÕôÁóË®£¬Ê¹ÒºÃæ½Ó½ü¿Ì¶ÈÏß1¡«2 cm

(3)Èç¹ûʵÑéÊÒÓÃ98£¥µÄŨÁòËá(ÃܶÈΪ1.8 g¡¤cm£­3)ÅäÖÆ3.6 mol¡¤L£­1µÄÏ¡ÁòËá250 mL£®¼ÆËãËùÐèŨÁòËáµÄÌå»ýΪ________mL£¬ÔÚʵÑéʱӦÓÃ________Á¿È¡Å¨ÁòËᣮ

(4)ÓÉÓÚ´íÎó²Ù×÷£¬ ʹµÃµ½µÄŨ¶ÈÊý¾Ý±ÈÕýÈ·µÄÆ«´óµÄÊÇ________(ÌîдÐòºÅ)£®

A£®Ê¹ÓÃÈÝÁ¿Æ¿ÅäÖÆÈÜҺʱ£¬¸©ÊÓÒºÃ涨ÈݺóËùµÃÈÜÒºµÄŨ¶È

B£®Ã»ÓÐÓÃÕôÁóˮϴÉÕ±­2£­3´Î£¬²¢½«Ï´ÒºÒÆÈëÈÝÁ¿Æ¿ÖÐ

C£®ÈÝÁ¿Æ¿ÓÃÕôÁóˮϴ¾»£¬Ã»Óкæ¸É

D£®¶¨ÈÝʱ£¬µÎ¼ÓÕôÁóË®£¬ÏÈʹҺÃæÂÔ¸ßÓڿ̶ÈÏߣ¬ÔÙÎü³öÉÙÁ¿Ë®Ê¹ÒºÃæ°¼ÃæÓë¿Ì¶ÈÏßÏàÇÐ

E£®°ÑÅäºÃµÄÈÜÒºµ¹ÈëÓÃÕôÁóˮϴ¾»¶øÄ©¸ÉµÄÊÔ¼ÁÆ¿Öб¸ÓÃ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

(8·Ö)ijÑо¿ÐÔѧϰС×éΪ֤Ã÷ÔÚͬÎÂͬѹÏ£¬ÏàͬŨ¶È¡¢ÏàͬÌå»ýËáÐÔ²»Í¬µÄÁ½ÖÖ¶þÔªËáÓë×ãÁ¿Ã¾´ø·´Ó¦Ê±£¬Éú³ÉÇâÆøµÄÌå»ýÏàͬ¶ø·´Ó¦ËÙÂʲ»Í¬£¬Í¬Ê±²â¶¨ÊµÑéÊÒÌõ¼þϵÄÆøÌåĦ¶ûÌå»ý.Éè¼ÆµÄ¼òÒ×ʵÑé×°ÖÃÈçͼËùʾ.¸ÃʵÑéµÄÖ÷Òª²Ù×÷²½ÖèÈçÏ£º

¢ñ.¢ÙÅäÖÆŨ¶È¾ùΪ0.5mol/L µÄH2SO4ºÍH2C2O4ÈÜÒº¡£

¢ÚÓá¡¡¡     ¡¡¡¡Á¿È¡10.00mL 0.5 mol/L H2SO4ºÍH2C2O4ÈÜÒº·Ö±ðÓÚÁ½¸ö׶ÐÎÆ¿ÖÐ.

¢Û·Ö±ð³ÆÈ¡³ýÈ¥±íÃæÑõ»¯Ä¤µÄþ´ø²¢ÏµÓÚÍ­Ë¿Ä©¶Ë¡£

¢Ü¼ì²é×°ÖõÄÆøÃÜÐÔ£¬ÔÚ¹ã¿ÚÆ¿ÖÐ×°ÂúË®£¬°´Í¼Á¬½ÓºÃ×°Öá£

¢Ý½«Í­Ë¿ÏòÏÂÒƶ¯£¬Ê¹×ãÁ¿Ã¾´ø½þÈëËáÖÐ(Í­Ë¿²»ÓëËá½Ó´¥)ÖÁ·´Ó¦ÍêÈ«ºó£¬¼Ç¼¡¡¡¡¡¡¡¡¡£

¢Þ·´Ó¦½áÊøºó£¬¶ÁÈ¡Á¿Í²ÄÚË®µÄÌå»ýΪ y mL¡£

¢ò.Ç뽫ÉÏÊö²½Öè²¹³äÍêÕû²¢»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÃÃܶÈΪ1.84 g/cm3 98%µÄŨH2SO4£¬ÅäÖÆŨ¶ÈΪ250 mL 0.5 mol/LµÄH2SO4ÈÜÒº£¬ËùÐèÒªµÄÖ÷ÒªÒÇÆ÷ÓС¡¡¡¡¡¡¡¡¢¡¡¡¡¡¡¡¡¡¢ÉÕ±­¡¢²£Á§°ô¡¢ËáʽµÎ¶¨¹Ü¡£

£¨2£©ÒÔÏÂÊǶÁÈ¡Á¿Í²ÄÚË®µÄÌå»ýʱ£¬±ØÐë°üÀ¨µÄ¼¸¸ö²½Ö裺¢ÙʹÒÒ¡¢±ûÖÐÒºÃæÏàƽ£»¢Ú½«×°ÖÃÀäÈ´ÖÁÊÒΣ»¢Û¶ÁÈ¡Á¿Í²ÄÚË®µÄÌå»ý.ÕâÈý²½²Ù×÷µÄÕýȷ˳ÐòÊÇ¡¡¡¡       ¡¡¡¡¡£

£¨3£©¶ÁÈ¡Á¿Í²ÄÚË®µÄÌå»ýʱ£¬Èô±ûÖÐÒºÃæ¸ßÓÚÒÒÖÐÒºÃ棬ʹÒÒ¡¢±ûÖÐÒºÃæÏàƽµÄ²Ù×÷ÊÇ¡¡                                                                  ¡¡¡£

£¨4£©¼òÊöËÙÂʲ»µÈµÄÔ­Òò¡¡¡¡¡¡¡¡¡¡¡¡                                      ¡¡¡¡£¬

Í­Ë¿²»ÓëËá½Ó´¥µÄÔ­Òò¡¡¡¡¡¡¡¡¡¡¡¡¡¡                                  ¡¡¡¡¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2010Äê½­Î÷Ê¡¸ßÈý9ÔÂÔ¿¼»¯Ñ§ÊÔÌâ ÌâÐÍ£ºÊµÑéÌâ

(8·Ö)ijÑо¿ÐÔѧϰС×éΪ֤Ã÷ÔÚͬÎÂͬѹÏ£¬ÏàͬŨ¶È¡¢ÏàͬÌå»ýËáÐÔ²»Í¬µÄÁ½ÖÖ¶þÔªËáÓë×ãÁ¿Ã¾´ø·´Ó¦Ê±£¬Éú³ÉÇâÆøµÄÌå»ýÏàͬ¶ø·´Ó¦ËÙÂʲ»Í¬£¬Í¬Ê±²â¶¨ÊµÑéÊÒÌõ¼þϵÄÆøÌåĦ¶ûÌå»ý.Éè¼ÆµÄ¼òÒ×ʵÑé×°ÖÃÈçͼËùʾ.¸ÃʵÑéµÄÖ÷Òª²Ù×÷²½ÖèÈçÏ£º

¢ñ.¢ÙÅäÖÆŨ¶È¾ùΪ0.5 mol/L µÄH2SO4ºÍH2C2O4ÈÜÒº¡£

¢ÚÓá¡¡¡      ¡¡¡¡Á¿È¡10.00 mL 0.5 mol/L H2SO4ºÍH2C2O4ÈÜÒº·Ö±ðÓÚÁ½¸ö׶ÐÎÆ¿ÖÐ.

¢Û·Ö±ð³ÆÈ¡³ýÈ¥±íÃæÑõ»¯Ä¤µÄþ´ø²¢ÏµÓÚÍ­Ë¿Ä©¶Ë¡£

¢Ü¼ì²é×°ÖõÄÆøÃÜÐÔ£¬ÔÚ¹ã¿ÚÆ¿ÖÐ×°ÂúË®£¬°´Í¼Á¬½ÓºÃ×°Öá£

¢Ý½«Í­Ë¿ÏòÏÂÒƶ¯£¬Ê¹×ãÁ¿Ã¾´ø½þÈëËáÖÐ(Í­Ë¿²»ÓëËá½Ó´¥)ÖÁ·´Ó¦ÍêÈ«ºó£¬¼Ç¼¡¡¡¡¡¡¡¡¡£

¢Þ·´Ó¦½áÊøºó£¬¶ÁÈ¡Á¿Í²ÄÚË®µÄÌå»ýΪ y mL¡£

¢ò.Ç뽫ÉÏÊö²½Öè²¹³äÍêÕû²¢»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÃÃܶÈΪ1.84 g/cm3 98%µÄŨH2SO4£¬ÅäÖÆŨ¶ÈΪ250 mL 0.5 mol/LµÄH2SO4ÈÜÒº£¬ËùÐèÒªµÄÖ÷ÒªÒÇÆ÷ÓС¡¡¡¡¡¡¡¡¢¡¡¡¡¡¡¡¡¡¢ÉÕ±­¡¢²£Á§°ô¡¢ËáʽµÎ¶¨¹Ü¡£

£¨2£©ÒÔÏÂÊǶÁÈ¡Á¿Í²ÄÚË®µÄÌå»ýʱ£¬±ØÐë°üÀ¨µÄ¼¸¸ö²½Ö裺¢ÙʹÒÒ¡¢±ûÖÐÒºÃæÏàƽ£»¢Ú½«×°ÖÃÀäÈ´ÖÁÊÒΣ»¢Û¶ÁÈ¡Á¿Í²ÄÚË®µÄÌå»ý.ÕâÈý²½²Ù×÷µÄÕýȷ˳ÐòÊÇ¡¡¡¡        ¡¡¡¡¡£

£¨3£©¶ÁÈ¡Á¿Í²ÄÚË®µÄÌå»ýʱ£¬Èô±ûÖÐÒºÃæ¸ßÓÚÒÒÖÐÒºÃ棬ʹÒÒ¡¢±ûÖÐÒºÃæÏàƽµÄ²Ù×÷ÊÇ¡¡                                                                   ¡¡¡£

£¨4£©¼òÊöËÙÂʲ»µÈµÄÔ­Òò¡¡¡¡¡¡¡¡¡¡¡¡                                       ¡¡¡¡£¬

Í­Ë¿²»ÓëËá½Ó´¥µÄÔ­Òò¡¡¡¡¡¡¡¡¡¡¡¡¡¡                                   ¡¡¡¡¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸