ÏÖÐèÅäÖÆ0.2mol/LNaHCO3 ÈÜÒº450mL£¬Ä³Í¬Ñ§ÈçͼתÒÆÈÜÒº£®
¢ÙͼÖеĴíÎóÊÇ________
¢ÚʵÑéÖÐӦѡÔñÈÝÁ¿Æ¿µÄ¹æ¸ñÊÇ________£¨Ñ¡Ìî100mL»ò500mL£©£»ÊµÑéʱÐè³ÆÈ¡NaHCO3µÄÖÊÁ¿Îª________g
¢ÛÅäÖÆʱ£¬ÆäÕýÈ·µÄ²Ù×÷˳ÐòÊÇ________£¨×Öĸ±íʾ£¬Ã¿¸ö×ÖĸÓÃÇÒÖ»ÄÜÓÃÒ»´Î£©£®
A¡¢Ã¿´ÎÓÃ30mLˮϴµÓÉÕ±­2¡«3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿
B¡¢×¼È·³ÆÈ¡¼ÆËãÁ¿µÄ¹ÌÌåÓÚÉÕ±­ÖУ¬ÔÙ¼ÓÈëÉÙÁ¿Ë®£¨Ô¼30mL£©£¬Óò£Á§°ôÂýÂý½Á¶¯£¬Ê¹Æä³ä·ÖÈܽâ
C½«ÈܽâºóµÄÈÜÒºÑز£Á§°ô×¢ÈëÈÝÁ¿Æ¿ÖÐ
D¡¢½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ
E¡¢¸ÄÓýºÍ·µÎ¹Ü¼ÓË®£¬Ê¹ÈÜÒº°¼ÃæÇ¡ºÃÓë¿Ì¶ÈÏßÏàÇÐ
F¡¢¼ÌÐøÍùÈÝÒ×Æ¿ÄÚСÐļÓË®£¬Ö±½ÓÒºÃæ½Ó½ü¿Ì¶È2¡«3cm´¦£®

δÓò£Á§°ôÒýÁ÷    500mL    8.4    BCAFED
·ÖÎö£º¢ÙתÒÆÈÜÒºÐèÒª²£Á§°ôÒýÁ÷£»
¢ÚÑ¡È¡µÄÈÝÁ¿Æ¿¹æ¸ñÓ¦¸ÃµÈÓÚ»òÉÔ´óÓÚÐèÒªÅäÖÆÈÜÒºµÄÌå»ý£¬¸ù¾Ým=CVM¼ÆËãÈÜÖʵÄÖÊÁ¿£¬×¢ÒâÈÜÒºµÄÌå»ýÊÇ500mL£»
¢ÛÅäÖÆʱ£¬Ò»°ã¿É·ÖΪÒÔϼ¸¸ö²½Ö裺¼ÆËã¡¢³ÆÁ¿¡¢Èܽ⡢ÀäÈ´¡¢×ªÒÆ¡¢Ï´µÓ¡¢¶¨ÈÝ¡¢Ò¡ÔÈ£¬¾Ý´Ë½øÐÐÅÅÐò£®
½â´ð£º¢ÙתÒÆÈÜÒºÐèÒª²£Á§°ôÒýÁ÷£¬·ñÔò»áʹÈÜÒº½¦³ö¶øµ¼ÖÂÅäÖÆÈÜҺŨ¶ÈÆ«µÍ£¬¹Ê´ð°¸Îª£ºÎ´Óò£Á§°ôÒýÁ÷£»
¢ÚʵÑéÊÒûÓÐ450mLÈÝÁ¿Æ¿£¬Ñ¡È¡µÄÈÝÁ¿Æ¿¹æ¸ñÓ¦¸ÃµÈÓÚ»òÉÔ´óÓÚÐèÒªÅäÖÆÈÜÒºµÄÌå»ý£¬ËùÒÔÓ¦¸ÃÑ¡È¡500mLµÄÈÝÁ¿Æ¿£¬m=CVM=0.2mol/L¡Á0.5L¡Á84g/mol=8.4g£¬¹Ê´ð°¸Îª£º500mL£»8.4£»
¢ÛÅäÖÆʱ£¬Ò»°ã¿É·ÖΪÒÔϼ¸¸ö²½Ö裺¼ÆËã¡¢³ÆÁ¿¡¢Èܽ⡢ÀäÈ´¡¢×ªÒÆ¡¢Ï´µÓ¡¢¶¨ÈÝ¡¢Ò¡ÔÈ£¬ËùÒÔÆä²Ù×÷²½ÖèµÄÕýȷ˳ÐòΪBCAFED£¬¹Ê´ð°¸Îª£ºBCAFED£®
µãÆÀ£º±¾Ì⿼²éÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒºµÄÅäÖÆ£¬×¢ÒâÈÝÁ¿Æ¿¹æ¸ñµÄÑ¡È¡·½·¨£¬ÈÜÖʵÄÖÊÁ¿Ó¦¸ÃÊÇ500mLÈÜÒºÖÐÈܽâµÄÖÊÁ¿¶ø²»ÊÇ450mLÈÜÒºÖÐÈܽâµÄÖÊÁ¿£¬ÎªÒ×´íµã£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÏÖÐèÅäÖÆ0.2mol/LNaHCO3 ÈÜÒº450mL£¬Ä³Í¬Ñ§ÈçͼתÒÆÈÜÒº£®
¢ÙͼÖеĴíÎóÊÇ
δÓò£Á§°ôÒýÁ÷
δÓò£Á§°ôÒýÁ÷

¢ÚʵÑéÖÐӦѡÔñÈÝÁ¿Æ¿µÄ¹æ¸ñÊÇ
500mL
500mL
£¨Ñ¡Ìî100mL»ò500mL£©£»ÊµÑéʱÐè³ÆÈ¡NaHCO3µÄÖÊÁ¿Îª
8.4
8.4
g
¢ÛÅäÖÆʱ£¬ÆäÕýÈ·µÄ²Ù×÷˳ÐòÊÇ
BCAFED
BCAFED
£¨×Öĸ±íʾ£¬Ã¿¸ö×ÖĸÓÃÇÒÖ»ÄÜÓÃÒ»´Î£©£®
A¡¢Ã¿´ÎÓÃ30mLˮϴµÓÉÕ±­2¡«3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿
B¡¢×¼È·³ÆÈ¡¼ÆËãÁ¿µÄ¹ÌÌåÓÚÉÕ±­ÖУ¬ÔÙ¼ÓÈëÉÙÁ¿Ë®£¨Ô¼30mL£©£¬Óò£Á§°ôÂýÂý½Á¶¯£¬Ê¹Æä³ä·ÖÈܽâ
C½«ÈܽâºóµÄÈÜÒºÑز£Á§°ô×¢ÈëÈÝÁ¿Æ¿ÖÐ
D¡¢½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ
E¡¢¸ÄÓýºÍ·µÎ¹Ü¼ÓË®£¬Ê¹ÈÜÒº°¼ÃæÇ¡ºÃÓë¿Ì¶ÈÏßÏàÇÐ
F¡¢¼ÌÐøÍùÈÝÒ×Æ¿ÄÚСÐļÓË®£¬Ö±½ÓÒºÃæ½Ó½ü¿Ì¶È2¡«3cm´¦£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÕÆÎÕÒÇÆ÷µÄÃû³Æ¡¢×é×°¼°Ê¹Ó÷½·¨ÊÇÖÐѧ»¯Ñ§ÊµÑéµÄ»ù´¡£¬ÈçͼΪÁ½Ì×ʵÑé×°Öã®
¾«Ó¢¼Ò½ÌÍø
£¨1£©Ð´³öÏÂÁÐÒÇÆ÷µÄÃû³Æ£º
¢Ù
 
£»¢Ú
 
£»¢Ü
 
£»
£¨2£©ÒÇÆ÷¢Ù¡«¢ÜÖУ¬Ê¹ÓÃʱ±ØÐë¼ì²éÊÇ·ñ©ˮµÄÓÐ
 
£®£¨ÌîÐòºÅ£©
£¨3£©ÈôÀûÓÃ×°Öâñ·ÖÀëËÄÂÈ»¯Ì¼ºÍ¾Æ¾«µÄ»ìºÏÎ»¹È±ÉÙµÄÒÇÆ÷ÓÐ
 
£¬½«ÒÇÆ÷²¹³äÍêÕûºó½øÐеÄʵÑé²Ù×÷µÄÃû³ÆΪ£»
 
£®ÏÖÐèÅäÖÆ250ml 0.2mol/L NaClÈÜÒº£¬×°ÖâòÊÇijͬѧתÒÆÈÜÒºµÄʾÒâͼ£¬Í¼ÖÐÁ½´¦´íÎóÊÇ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ÏÖÐèÅäÖÆ0.2mol/LNaHCO3 ÈÜÒº450mL£¬Ä³Í¬Ñ§ÈçͼתÒÆÈÜÒº£®
¢ÙͼÖеĴíÎóÊÇ______
¢ÚʵÑéÖÐӦѡÔñÈÝÁ¿Æ¿µÄ¹æ¸ñÊÇ______£¨Ñ¡Ìî100mL»ò500mL£©£»ÊµÑéʱÐè³ÆÈ¡NaHCO3µÄÖÊÁ¿Îª______g
¢ÛÅäÖÆʱ£¬ÆäÕýÈ·µÄ²Ù×÷˳ÐòÊÇ______£¨×Öĸ±íʾ£¬Ã¿¸ö×ÖĸÓÃÇÒÖ»ÄÜÓÃÒ»´Î£©£®
A¡¢Ã¿´ÎÓÃ30mLˮϴµÓÉÕ±­2¡«3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿
B¡¢×¼È·³ÆÈ¡¼ÆËãÁ¿µÄ¹ÌÌåÓÚÉÕ±­ÖУ¬ÔÙ¼ÓÈëÉÙÁ¿Ë®£¨Ô¼30mL£©£¬Óò£Á§°ôÂýÂý½Á¶¯£¬Ê¹Æä³ä·ÖÈܽâ
C½«ÈܽâºóµÄÈÜÒºÑز£Á§°ô×¢ÈëÈÝÁ¿Æ¿ÖÐ
D¡¢½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ
E¡¢¸ÄÓýºÍ·µÎ¹Ü¼ÓË®£¬Ê¹ÈÜÒº°¼ÃæÇ¡ºÃÓë¿Ì¶ÈÏßÏàÇÐ
F¡¢¼ÌÐøÍùÈÝÒ×Æ¿ÄÚСÐļÓË®£¬Ö±½ÓÒºÃæ½Ó½ü¿Ì¶È2¡«3cm´¦£®
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2012-2013ѧÄêºþÄÏʦ´ó¸½ÖиßÒ»£¨ÉÏ£©ÆÚÖл¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ÏÖÐèÅäÖÆ0.2mol/LNaHCO3 ÈÜÒº450mL£¬Ä³Í¬Ñ§ÈçͼתÒÆÈÜÒº£®
¢ÙͼÖеĴíÎóÊÇ   
¢ÚʵÑéÖÐӦѡÔñÈÝÁ¿Æ¿µÄ¹æ¸ñÊÇ    £¨Ñ¡Ìî100mL»ò500mL£©£»ÊµÑéʱÐè³ÆÈ¡NaHCO3µÄÖÊÁ¿Îª    g
¢ÛÅäÖÆʱ£¬ÆäÕýÈ·µÄ²Ù×÷˳ÐòÊÇ    £¨×Öĸ±íʾ£¬Ã¿¸ö×ÖĸÓÃÇÒÖ»ÄÜÓÃÒ»´Î£©£®
A¡¢Ã¿´ÎÓÃ30mLˮϴµÓÉÕ±­2¡«3´Î£¬Ï´µÓÒº¾ù×¢ÈëÈÝÁ¿Æ¿
B¡¢×¼È·³ÆÈ¡¼ÆËãÁ¿µÄ¹ÌÌåÓÚÉÕ±­ÖУ¬ÔÙ¼ÓÈëÉÙÁ¿Ë®£¨Ô¼30mL£©£¬Óò£Á§°ôÂýÂý½Á¶¯£¬Ê¹Æä³ä·ÖÈܽâ
C½«ÈܽâºóµÄÈÜÒºÑز£Á§°ô×¢ÈëÈÝÁ¿Æ¿ÖÐ
D¡¢½«ÈÝÁ¿Æ¿¸Ç½ô£¬Õñµ´£¬Ò¡ÔÈ
E¡¢¸ÄÓýºÍ·µÎ¹Ü¼ÓË®£¬Ê¹ÈÜÒº°¼ÃæÇ¡ºÃÓë¿Ì¶ÈÏßÏàÇÐ
F¡¢¼ÌÐøÍùÈÝÒ×Æ¿ÄÚСÐļÓË®£¬Ö±½ÓÒºÃæ½Ó½ü¿Ì¶È2¡«3cm´¦£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸