£¨12·Ö£©Ä³Í¬Ñ§½øÐÐʵÑéÑо¿Ê±£¬ÓûÅäÖÆ1£®0 mol¡¤L£­1 Ba£¨OH£©2ÈÜÒº£¬µ«Ö»ÕÒµ½ÔÚ¿ÕÆøÖб©Â¶ÒѾõÄBa£¨OH£©2¡¤8H2OÊÔ¼Á£¨»¯Ñ§Ê½Á¿£º315£©¡£ÔÚÊÒÎÂÏÂÅäÖÆÈÜҺʱ·¢ÏÖËùÈ¡ÊÔ¼ÁÔÚË®Öнö²¿·ÖÈܽ⣬ÉÕ±­ÖдæÔÚ´óÁ¿Î´ÈÜÎΪ̽¾¿ÆäÔ­Òò£¬¸Ãͬѧ²éµÃBa£¨OH£©2¡¤8H2OÔÚ283 K¡¢293 KºÍ303 KʱµÄÈܽâ¶È£¨g/100 g H2O£©·Ö±ðΪ2£®5¡¢3£®9ºÍ5£®6¡£
£¨1£©¼ÙÉèÊÔ¼ÁÓÉ´óÁ¿Ba£¨OH£©2¡¤8H2OºÍÉÙÁ¿BaCO3×é³É¡£Éè¼ÆʵÑé·½°¸£¬½øÐгɷּìÑ顣д³öʵÑé²½Öè¡¢Ô¤ÆÚÏÖÏóºÍ½áÂÛ¡££¨²»¿¼ÂǽᾧˮµÄ¼ìÑ飻ÊÒÎÂʱBaCO3±¥ºÍÈÜÒºµÄpH£½9£®6£©
ÏÞÑ¡ÊÔ¼Á¼°ÒÇÆ÷£ºÏ¡ÑÎËᡢϡÁòËá¡¢NaOHÈÜÒº¡¢³ÎÇåʯ»ÒË®¡¢pH¼Æ¡¢ÉÕ±­¡¢ÊԹܡ¢´øÈûµ¼Æø¹Ü¡¢µÎ¹Ü

ʵÑé²½Öè
Ô¤ÆÚÏÖÏóºÍ½áÂÛ
²½Öè1£ºÈ¡ÊÊÁ¿ÊÔ¼ÁÓڽྻÉÕ±­ÖУ¬¼ÓÈë×ãÁ¿ÕôÁóË®£¬³ä·Ö½Á°è£¬¾²Ö㬹ýÂË£¬µÃÂËÒººÍ³Áµí¡£
 
²½Öè2£ºÈ¡ÊÊÁ¿ÂËÒºÓÚÊÔ¹ÜÖУ¬µÎ¼ÓÏ¡ÁòËá¡£
 
²½Öè3£ºÈ¡ÊÊÁ¿²½Öè1ÖеijÁµíÓÚÊÔ¹ÜÖУ¬________¡£
 
²½Öè4£º            
 
£¨2£©½«ÊÔ¼Á³õ²½Ìá´¿ºó£¬×¼È·²â¶¨ÆäÖÐBa£¨OH£©2¡¤8H2OµÄº¬Á¿¡£ÊµÑéÈçÏ£º
¢ÙÅäÖÆ250 mLÔ¼0£®1 mol¡¤L£­1 Ba£¨OH£©2ÈÜÒº£º×¼È·³ÆÈ¡w¿ËÊÔÑù£¬ÖÃÓÚÉÕ±­ÖУ¬¼ÓÊÊÁ¿ÕôÁóË®£¬________£¬½«ÈÜҺתÈë________ÖУ¬Ï´µÓ£¬¶¨ÈÝ£¬Ò¡ÔÈ¡£
¢ÚµÎ¶¨£º×¼È·Á¿È¡25£®00 mLËùÅäBa£¨OH£©2ÈÜÒºÓÚ׶ÐÎÆ¿ÖУ¬µÎ¼Óָʾ¼Á£¬½«______£¨Ìî¡°0£®020¡±¡¢¡°0£®05¡±¡¢¡°0£®1980¡±»ò¡°1£®5¡±£©mol¡¤L£­1ÑÎËá×°Èë50 mLËáʽµÎ¶¨¹Ü£¬µÎ¶¨ÖÁÖյ㣬¼Ç¼Êý¾Ý¡£Öظ´µÎ¶¨2´Î¡£Æ½¾ùÏûºÄÑÎËáV mL¡£
¢Û¼ÆËãBa£¨OH£©2¡¤8H2OµÄÖÊÁ¿·ÖÊý£½________£¨Ö»ÁгöËãʽ£¬²»×öÔËË㣩¡£
£¨3£©ÊÒÎÂÏ£¬_______£¨Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±£©ÅäÖÆ1£®0 mol¡¤L£­1 Ba£¨OH£©2ÈÜÒº¡£

£¨¹²12·Ö£©
£¨1£©£¨Ã¿¿Õ1·Ö,¹²5·Ö£©

²½Öè2£º
³öÏÖ°×É«³Áµí£¬ËµÃ÷¸ÃÊÔ¼ÁÖÐÓÐBa2£«´æÔÚ
²½Öè3£ºµÎ¼ÓÏ¡ÑÎËᣬÁ¬½Ó´øÈûµ¼Æø¹Ü½«²úÉúµÄÆøÌåµ¼Èë³ÎÇåʯ»ÒË®ÖÐ
³ÎÇåʯ»ÒË®±ä»ë×Ç£¬ËµÃ÷¸ÃÊÔ¼Áº¬ÓÐBaCO3[À´Ô´:ѧ¿ÆÍø]
²½Öè4£ºÈ¡²½Öè1ÖеÄÈÜÒºÓÚÉÕ±­ÖУ¬ÓÃpH¼Æ²â¶¨ÆäpH
pHÃ÷ÏÔ´óÓÚ9£®6£¬ËµÃ÷¸ÃÊÔ¼Áº¬ÓÐBa£¨OH£©2
£¨2£©¢Ù½Á°èÈܽ⣨1·Ö£©¡¡250 mLÈÝÁ¿Æ¿£¨1·Ö£©¢Ú0£®1980£¨1·Ö£©
¢Û¡Á100%£¨2·Ö£©
£¨3£©²»ÄÜ£¨2·Ö£©

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£ºÉϺ£Êг¤ÄþÇø2013Äê¸ß¿¼Ò»Ä£»¯Ñ§ÊÔÌâ ÌâÐÍ£º058

ijͬѧ½øÐÐʵÑéÑо¿Ê±£¬ÓûÅäÖÆ1.0 mol¡¤L£­1¡¡Ba(OH)2ÈÜÒº£¬µ«Ö»ÕÒµ½ÔÚ¿ÕÆøÖб©Â¶ÒѾõÄBa(OH)2¡¤8H2OÊÔ¼Á(»¯Ñ§Ê½Á¿¡Ã315)£®ÔÚÊÒÎÂÏÂÅäÖÆÈÜҺʱ·¢ÏÖËùÈ¡ÊÔ¼ÁÔÚ×ãÁ¿µÄË®Öнö²¿·ÖÈܽ⣬ÉÕ±­ÖдæÔÚ´óÁ¿Î´ÈÜÎΪ̽¾¿Ô­Òò£¬¸Ãͬѧ²éµÃBa(OH)2¡¤8H2OÔÚ283 K¡¢293 KºÍ303 KʱµÄÈܽâ¶È(g/100 g¡¡H2O)·Ö±ðΪ2.5¡¢3.9ºÍ5.6£®

1£®ÉÕ±­ÖÐδÈÜÎï¿ÉÄܽöΪBaCO3£¬ÀíÓÉÊÇ________£®

2£®¼ÙÉèÊÔ¼ÁÓÉ´óÁ¿Ba(OH)2¡¤8H2OºÍÉÙÁ¿BaCO3×é³É£¬Éè¼ÆʵÑé·½°¸£¬½øÐгɷּìÑ飮ÔÚ´ðÌâÖ½ÉϽøÒ»²½Íê³ÉʵÑé²½Öè¡¢Ô¤ÆÚÏÖÏóºÍ½áÂÛ£®(²»¿¼ÂǽᾧˮµÄ¼ìÑ飻ÊÒÎÂʱBaCO3±¥ºÍÈÜÒºµÄpH£½9.6)

ÏÞÑ¡ÊÔ¼Á¼°ÒÇÆ÷¡ÃÏ¡ÑÎËᡢϡÁòËá¡¢NaOHÈÜÒº¡¢³ÎÇåʯ»ÒË®¡¢pH¼Æ¡¢ÉÕ±­¡¢ÊԹܡ¢´øÈûµ¼Æø¹Ü¡¢µÎ¹Ü

½«ÊÔ¼Á³õ²½Ìá´¿ºó£¬×¼È·²â¶¨ÆäÖÐBa(OH)2¡¤8H2OµÄº¬Á¿£®ÊµÑéÈçÏ¡Ã

3£®ÅäÖÆ250 mlÔ¼0.1 mol¡¤L£­1¡¡Ba(OH)2ÈÜÒº¡Ã׼ȷ³ÆÈ¡w¿ËÊÔÑù£¬ÖÃÓÚÉÕ±­ÖУ¬¼ÓÊÊÁ¿ÕôÁóË®£¬________£¬½«ÈÜҺתÈë________£¬Ï´µÓ£¬¶¨ÈÝ£¬Ò¡ÔÈ£®

4£®µÎ¶¨¡Ã׼ȷÁ¿È¡25.00 mlËùÅäÖÆBa(OH)2ÈÜÒºÓÚ׶ÐÎÆ¿ÖУ¬µÎ¼Óָʾ¼Á£¬½«________(Ìî¡°0.020¡±¡¢¡°0.05¡±¡¢¡°0.1980¡±»ò¡°1.5¡±)mol¡¤L£­1ÑÎËá×°Èë50 mlËáʽµÎ¶¨¹Ü£¬µÎ¶¨ÖÁÖյ㣬¼Ç¼Êý¾Ý£®Öظ´µÎ¶¨2´Î£®Æ½¾ùÏûºÄÑÎËáVml£®¼ÆËãBa(OH)2¡¤8H2OµÄÖÊÁ¿·ÖÊý£½________(Ö»ÁгöËãʽ£¬²»×öÔËËã)

5£®ÊÒÎÂÏ£¬________(Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±)ÅäÖÆ1.0 mol¡¤L£­1¡¡Ba(OH)2ÈÜÒº£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

ijͬѧ½øÐÐʵÑéÑо¿Ê±£¬ÓûÅäÖÆ1.0mol•L-1Ba(OH)2ÈÜÒº£¬µ«Ö»ÕÒµ½ÔÚ¿ÕÆøÖб©Â¶ÒѾõÄBa(OH)2¡¤8H2OÊÔ¼Á£¨»¯Ñ§Ê½Á¿£º315£©¡£ÔÚÊÒÎÂÏÂÅäÖÆÈÜҺʱ·¢ÏÖËùÈ¡ÊÔ¼ÁÔÚË®Öнö²¿·ÖÈܽ⣬ÉÕ±­ÖдæÔÚ´óÁ¿Î´ÈÜÎΪ̽¾¿Ô­Òò£¬¸Ãͬѧ²éµÃBa(OH)2¡¤8H2OÔÚ283K¡¢293KºÍ303KʱµÄÈܽâ¶È£¨g/100g H2O£©·Ö±ðΪ2.5¡¢3.9ºÍ5.6¡£

£¨1£©ÉÕ±­ÖÐδÈÜÎï½öΪBaCO3£¬ÀíÓÉÊÇ                                     

£¨2£©¼ÙÉèÊÔ¼ÁÓÉ´óÁ¿Ba(OH)2¡¤8H2OºÍÉÙÁ¿BaCO3×é³É£¬Éè¼ÆʵÑé·½°¸£¬½øÐгɷּìÑé¡£ÔÚ´ðÌ⿨ÉÏд³öʵÑé²½Öè¡¢Ô¤ÆÚÏÖÏóºÍ½áÂÛ¡££¨²»¿¼ÂǽᾧˮµÄ¼ìÑ飻ÊÒÎÂʱBaCO3±¥ºÍÈÜÒºµÄpH=9.6£©

ÏÞÑ¡ÊÔ¼Á¼°ÒÇÆ÷£ºÏ¡ÑÎËᡢϡÁòËá¡¢NaOHÈÜÒº¡¢³ÎÇåʯ»ÒË®¡¢pH¼Æ¡¢ÉÕ±­¡¢ÊԹܡ¢´øÈûµ¼Æø¹Ü¡¢µÎ¹Ü

ʵÑé²½Öè

Ô¤ÆÚÏÖÏóºÍ½áÂÛ

²½Öè1£ºÈ¡ÊÊÁ¿ÊÔ¼ÁÓڽྻÉÕ±­ÖУ¬¼ÓÈë×ãÁ¿ÕôÁóË®£¬³ä·Ö½Á°è£¬¾²Ö㬹ýÂË£¬µÃÂËÒººÍ³Áµí¡£

²½Öè2£ºÈ¡ÊÊÁ¿ÂËÒºÓÚÊÔ¹ÜÖУ¬µÍ¼ÛÏ¡ÁòËá¡£

²½Öè3£ºÈ¡ÊÊÁ¿²½Öè1ÖеijÁµíÓÚÊÇÊÔ¹ÜÖУ¬            ¡£         

²½Öè4£º

£¨3£©½«ÊÔ¼Á³õ²½Ìá´¿ºó£¬×¼È·²â¶¨ÆäÖÐBa(OH)2¡¤8H2OµÄº¬Á¿¡£ÊµÑéÈçÏ£º

¢ÙÅäÖÆ250ml Ô¼0.1mol•L-1Ba(OH)2¡¤8H2OÈÜÒº£º×¼È·³ÆÈ¡w¿ËÊÔÑù£¬ÖÃÓÚÉÕ±­ÖУ¬¼ÓÊÊÁ¿ÕôÁóË®£¬           £¬½«ÈÜҺתÈë            £¬Ï´µÓ£¬¶¨ÈÝ£¬Ò¡ÔÈ¡£

¢ÚµÎ¶¨£º×¼È·Á¿È¡25.00mlËùÅäÖÆBa(OH)2ÈÜÒºÓÚ׶ÐÎÆ¿ÖУ¬µÎ¼Óָʾ¼Á£¬½«           £¨Ìî¡°0.020¡±¡¢¡°0.05¡±¡¢¡°0.1980¡±»ò¡°1.5¡±£©mol•L-1ÑÎËá×°Èë50mlËáʽµÎ¶¨¹Ü£¬µÎ¶¨ÖÁÖյ㣬¼Ç¼Êý¾Ý¡£Öظ´µÎ¶¨2´Î¡£Æ½¾ùÏûºÄÑÎËáVml¡£

¢Û ¼ÆËãBa(OH)2¡¤8H2OµÄÖÊÁ¿·ÖÊý=       £¨Ö»ÁгöËãʽ£¬²»×öÔËË㣩

£¨4£©ÊÒÎÂÏ£¬     (Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±) ÅäÖÆ1.0 mol•L-1Ba(OH)2ÈÜÒº

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2012-2013ѧÄêÉϺ£Êг¤ÄþÇø¸ßÈýÉÏѧÆÚÆÚÄ©½ÌѧÖÊÁ¿µ÷Ñл¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

ijͬѧ½øÐÐʵÑéÑо¿Ê±£¬ÓûÅä1.0mol•L-1Ba(OH)2ÈÜÒº£¬µ«Ö»ÕÒµ½ÔÚ¿ÕÆøÖб©Â¶ÒѾõÄBa(OH)2¡¤8H2OÊÔ¼Á£¨»¯Ñ§Ê½Á¿£º315£©¡£ÔÚÊÒÎÂÏÂÅäÖÆÈÜҺʱ·¢ÏÖËùÈ¡ÊÔ¼ÁÔÚ×ãÁ¿µÄË®Öнö²¿·ÖÈܽ⣬ÉÕ±­ÖдæÔÚ´óÁ¿Î´ÈÜÎΪ̽¾¿Ô­Òò£¬¸Ãͬѧ²éµÃBa(OH)2¡¤8H2OÔÚ283K¡¢293KºÍ303KʱµÄÈܽâ¶È£¨g/100g H2O£©·Ö±ðΪ2.5¡¢3.9ºÍ5.6¡£

£¨1£©ÉÕ±­ÖÐδÈÜÎï¿ÉÄܽöΪBaCO3£¬ÀíÓÉÊÇ___________________________________¡£

£¨2£©¼ÙÉèÊÔ¼ÁÓÉ´óÁ¿Ba(OH)2¡¤8H2OºÍÉÙÁ¿BaCO3×é³É£¬Éè¼ÆʵÑé·½°¸£¬½øÐгɷּìÑé¡£ÔÚ´ðÌâÖ½ÉϽøÒ»²½Íê³ÉʵÑé²½Öè¡¢Ô¤ÆÚÏÖÏóºÍ½áÂÛ¡££¨²»¿¼ÂǽᾧˮµÄ¼ìÑ飻ÊÒÎÂʱBaCO3±¥ºÍÈÜÒºµÄpH=9.6£©

ÏÞÑ¡ÊÔ¼Á¼°ÒÇÆ÷£ºÏ¡ÑÎËᡢϡÁòËá¡¢NaOHÈÜÒº¡¢³ÎÇåʯ»ÒË®¡¢pH¼Æ¡¢ÉÕ±­¡¢ÊԹܡ¢´øÈûµ¼Æø¹Ü¡¢µÎ¹Ü

ʵÑé²½Öè

Ô¤ÆÚÏÖÏóºÍ½áÂÛ

²½Öè1£ºÈ¡ÊÊÁ¿ÊÔ¼ÁÓڽྻÉÕ±­ÖУ¬¼ÓÈë×ãÁ¿ÕôÁóË®£¬³ä·Ö½Á°è£¬¾²Ö㬹ýÂË£¬µÃÂËÒººÍ³Áµí¡£

 

²½Öè2£ºÈ¡ÊÊÁ¿ÂËÒºÓÚÊÔ¹ÜÖУ¬µÎ¼ÓÏ¡ÁòËá¡£

 

²½Öè3£ºÈ¡ÊÊÁ¿²½Öè1ÖеijÁµíÓÚÊÔ¹ÜÖУ¬_____¡£

 

²½Öè4£º

 

 

½«ÊÔ¼Á³õ²½Ìá´¿ºó£¬×¼È·²â¶¨ÆäÖÐBa(OH)2¡¤8H2OµÄº¬Á¿¡£ÊµÑéÈçÏ£º

£¨3£©ÅäÖÆ250ml Ô¼0.1mol•L-1Ba(OH)2ÈÜÒº£º×¼È·³ÆÈ¡w¿ËÊÔÑù£¬ÖÃÓÚÉÕ±­ÖУ¬¼ÓÊÊÁ¿ÕôÁóË®£¬__________£¬½«ÈÜҺתÈë_____________£¬Ï´µÓ£¬¶¨ÈÝ£¬Ò¡ÔÈ¡£

£¨4£©µÎ¶¨£º×¼È·Á¿È¡25.00mlËùÅäÖÆBa(OH)2ÈÜÒºÓÚ׶ÐÎÆ¿ÖУ¬µÎ¼Óָʾ¼Á£¬½«__________£¨Ìî¡°0.020¡±¡¢¡°0.05¡±¡¢¡°0.1980¡±»ò¡°1.5¡±£©mol•L-1ÑÎËá×°Èë50mlËáʽµÎ¶¨¹Ü£¬µÎ¶¨ÖÁÖյ㣬¼Ç¼Êý¾Ý¡£Öظ´µÎ¶¨2´Î¡£Æ½¾ùÏûºÄÑÎËáVml¡£ ¼ÆËãBa(OH)2¡¤8H2OµÄÖÊÁ¿·ÖÊý£½__________________£¨Ö»ÁгöËãʽ£¬²»×öÔËË㣩

£¨5£©ÊÒÎÂÏ£¬________(Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±) ÅäÖÆ1.0 mol•L-1Ba(OH)2ÈÜÒº¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011ÄêÆÕͨ¸ßµÈѧУÕÐÉúÈ«¹úͳһ¿¼ÊÔ»¯Ñ§¾í£¨¹ã¶«£© ÌâÐÍ£ºÊµÑéÌâ

ijͬѧ½øÐÐʵÑéÑо¿Ê±£¬ÓûÅäÖÆBa(OH)2ÈÜÒº£¬µ«Ö»ÕÒµ½ÔÚ¿ÕÆøÖб©Â¶ÒѾõÄBa(OH)2¡¤8H2OÊÔ¼Á£¨»¯Ñ§Ê½Á¿£º315£©¡£ÔÚÊÒÎÂÏÂÅäÖÆÈÜҺʱ·¢ÏÖËùÈ¡ÊÔ¼ÁÔÚË®Öнö²¿·ÖÈܽ⣬ÉÕ±­ÖдæÔÚ´óÁ¿Î´ÈÜÎΪ̽¾¿Ô­Òò£¬¸Ãͬѧ²éµÃBa(OH)2¡¤8H2OÔÚ283K¡¢293KºÍ303KʱµÄÈܽâ¶È£¨g/100g H2O£©·Ö±ðΪ2.5¡¢3.9ºÍ5.6¡£

£¨1£©ÉÕ±­ÖÐδÈÜÎï½öΪBaCO3£¬ÀíÓÉÊÇ                                     

£¨2£©¼ÙÉèÊÔ¼ÁÓÉ´óÁ¿Ba(OH)2¡¤8H2OºÍÉÙÁ¿BaCO3×é³É£¬Éè¼ÆʵÑé·½°¸£¬½øÐгɷּìÑé¡£ÔÚ´ðÌ⿨ÉÏд³öʵÑé²½Öè¡¢Ô¤ÆÚÏÖÏóºÍ½áÂÛ¡££¨²»¿¼ÂǽᾧˮµÄ¼ìÑ飻ÊÒÎÂʱBaCO3±¥ºÍÈÜÒºµÄpH=9.6£©

ÏÞÑ¡ÊÔ¼Á¼°ÒÇÆ÷£ºÏ¡ÑÎËᡢϡÁòËá¡¢NaOHÈÜÒº¡¢³ÎÇåʯ»ÒË®¡¢pH¼Æ¡¢ÉÕ±­¡¢ÊԹܡ¢´øÈûµ¼Æø¹Ü¡¢µÎ¹Ü

£¨3£©½«ÊÔ¼Á³õ²½Ìá´¿ºó£¬×¼È·²â¶¨ÆäÖÐBa(OH)2¡¤8H2OµÄº¬Á¿¡£ÊµÑéÈçÏ£º

¢ÙÅäÖÆ250ml Ô¼Ba(OH)2¡¤8H2OÈÜÒº£º×¼È·³ÆÈ¡w¿ËÊÔÑù£¬ÖÃÓÚÉÕ±­ÖУ¬¼ÓÊÊÁ¿ÕôÁóË®£¬           £¬½«ÈÜҺתÈë            £¬Ï´µÓ£¬¶¨ÈÝ£¬Ò¡ÔÈ¡£

¢ÚµÎ¶¨£º×¼È·Á¿È¡25.00mlËùÅäÖÆBa(OH)2ÈÜÒºÓÚ׶ÐÎÆ¿ÖУ¬µÎ¼Óָʾ¼Á£¬½«           £¨Ìî¡°0.020¡±¡¢¡°0.05¡±¡¢¡°0.1980¡±»ò¡°1.5¡±£©ÑÎËá×°Èë50mlËáʽµÎ¶¨¹Ü£¬µÎ¶¨ÖÁÖյ㣬¼Ç¼Êý¾Ý¡£Öظ´µÎ¶¨2´Î¡£Æ½¾ùÏûºÄÑÎËáVml¡£

¢Û ¼ÆËãBa(OH)2¡¤8H2OµÄÖÊÁ¿·ÖÊý=       £¨Ö»ÁгöËãʽ£¬²»×öÔËË㣩

£¨4£©ÊÒÎÂÏ£¬     (Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±) ÅäÖÆBa(OH)2ÈÜÒº¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸