ij¹¤³§»¯ÑéÊÒÓÃ10%µÄNaOHÈÜҺϴµÓʯÓͲúÆ·ÖеIJÐÁôÁòËᣮ
£¨1£©ÅäÖÆ200mL l0%µÄNaOHÈÜÒº£¨ÃܶÈΪ1£®l g/cm3£©£¬ÐèÇâÑõ»¯ÄÆ
 
g£¬Ë®
 
g£®
£¨2£©ÅäÖÆËùÐèµÄNaOHÈÜÒºÒª¾­¹ýÒÔϲ½Öè
 
¡¢
 
¡¢
 
£®
£¨3£©ÓÃ80gÅäÖƺõÄ10%µÄNaOHÈÜÒº·Ö¼¸´ÎÏ´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬϴµÓÖÁÈÜҺǡºÃ³ÊÖÐÐÔ£¬´Ëʱ»¹Ê£ÓàNaOHÈÜÒº
30g£¬ÇóÕâÒ»¶¨Á¿µÄʯÓͲúÆ·ÀïËùº¬H2SO4µÄÖÊÁ¿£®£¨¼ÆËã½á¹û¾«È·µ½0.1£©
·ÖÎö£º¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊý¹«Ê½½øÐмÆË㣬ҪÇóÁòËáµÄÖÊÁ¿£¬¿ÉÒÔÒÀ¾ÝÇâÑõ»¯ÄÆÓëÁòËá·´Ó¦µÄ»¯Ñ§·½³Ìʽ½øÐмÆË㣮
½â´ð£º½â£º£¨1£©ÐèÇâÑõ»¯ÄƵÄÖÊÁ¿Îª£º200mL¡Á1£®l g/mL¡Á10%=22g£¬Ë®µÄÖÊÁ¿Îª£º200mL¡Á1£®l g/mL-22g=200g£¬ËùÒÔ±¾Ìâ´ð°¸Îª£º22£¬200£»
£¨2£©ÅäÖÆÈÜÒºµÄ²½ÖèΪ¼ÆËã¡¢³ÆÁ¿¡¢Èܽ⣬ËùÒÔ±¾Ìâ´ð°¸Îª£º¼ÆË㣬³ÆÁ¿£¬Èܽ⣻
£¨3£©ÉèÁòËáµÄÖÊÁ¿Îªx
2NaOH+H2SO4¨TNa2SO4 +2H2O
80           98
50g¡Á10%      x
80
50g¡Á10%
=
98
x

           x=6.125g
´ð£ºÊ¯ÓͲúÆ·ÀïËùº¬H2SO4µÄÖÊÁ¿Îª6.125g£®
µãÆÀ£º±¾Ì⿼²éÁËÈÜÒºÅäÖƵÄ֪ʶÒÔ¼°¹ØÓÚ»¯Ñ§·½³ÌʽµÄ¼ÆË㣬Íê³É´ËÌ⣬¿ÉÒÔÒÀ¾ÝÒÑÓеÄ֪ʶ½áºÏ·´Ó¦µÄ»¯Ñ§·½³Ìʽ½øÐУ®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ij¹¤³§»¯ÑéÊÒÓÃ10%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄNaOHÈÜÒº80g£¬Ï´µÓºóÈÜÒº³ÊÖÐÐÔ£®£¨·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º2NaOH+H2SO4=Na2SO4+2H2O£©
Çë¼ÆË㣺
£¨1£©ÕâÒ»¶¨Á¿Ê¯ÓͲúÆ·Öк¬H2SO4µÄÖÊÁ¿£®
£¨2£©ÈôËùÓõÄÇâÑõ»¯ÄÆÈÜÒºÊÇÓÃ40%µÄÇâÑõ»¯ÄÆÈÜҺϡÊͶø³É£¬ÔòÏ¡Ê͹ý³ÌÖÐÐèÒª¼ÓË®µÄÖÊÁ¿£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?äàË®ÏØһģ£©ÏÂÃæÊǹ¤³§¿Á»¯·¨Éú²úÉÕ¼îµÄʾÒâͼ£®

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©XµÄ»¯Ñ§Ê½Îª
H2O
H2O
£®
£¨2£©¹¤ÒµÉÏìÑÉÕʯ»ÒʯÖÆÈ¡Éúʯ»ÒµÄ»¯Ñ§·½³ÌʽΪ
CaCO3
 ¸ßΠ
.
 
CaO+CO2¡ü
CaCO3
 ¸ßΠ
.
 
CaO+CO2¡ü
£®
£¨3£©·ÏÄàµÄÖ÷Òª³É·ÝÊÇ
CaCO3
CaCO3
£¬½á¾§µÃµ½µÄ¹ÌÌåÉÕ¼îÖпÉÄܺ¬ÓÐÉÙÁ¿µÄ
Ca£¨OH£©2
Ca£¨OH£©2
£¨Ð´»¯Ñ§Ê½£©£®
£¨4£©ÉÕ¼îÓÐÇ¿Áҵĸ¯Ê´ÐÔ£¬Èç¹û²»É÷½«¼îÒºÕ´µ½Æ¤·ôÉÏ£¬¿ÉÓý϶àµÄË®³åÏ´£¬ÔÙÍ¿ÉÏÏ¡
ÅðËá»ò´×Ëá
ÅðËá»ò´×Ëá
ÈÜÒº
£¨5£©Ä³¹¤³§»¯ÑéÊÒÓÃ10.0%µÄÇâÑõ»¯ÄÆÈÜÒº16.0gµÎ¼Óµ½20.0gÑÎËáÖУ¨º¬¼¸µÎ·Ó̪ÊÔÒº£¬ÖÊÁ¿ºöÂÔ²»¼Æ£©£¬»ìºÏÒº¸ÕºÃÓÉÎÞÉ«±ä³É·Ûºìɫʱ£¬¿ÉÈÏΪǡºÃ·´Ó¦£®Ô­ÑÎËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ¶àÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?µÂºêÖÝ£©Ä³¹¤³§»¯ÑéÊÒÓÃ10%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓ200gʯÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄÇâÑõ»¯ÄÆÈÜÒº80g£¬Ï´µÓºóµÄÈÜÒº³ÊÖÐÐÔ£®£¨Ìáʾ£º·´Ó¦µÄ·½³ÌʽΪ2NaOH+H2SO4=Na2SO4+2H2O£©Çë¼ÆË㣺
£¨1£©ÇóËùÓÃÇâÑõ»¯ÄÆÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿
8
8
g£¬
£¨2£©ÇóʯÓͲúÆ·ÖвÐÓàÁòËáµÄÈÜÖÊÖÊÁ¿·ÖÊý£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2005?Ì«Ô­£©Ä³¹¤³§»¯ÑéÊÒÓÃ10%µÄNaOHÈÜҺϴµÓʯÓͲúÆ·ÖеIJÐÓàÁòËᣮ
 £¨1£©ÅäÖÆ330 mL 10%µÄNaOHÈÜÒº£¨ÃܶÈΪ1.1g/cm3£©£¬ÐèÇâÑõ»¯ÄÆ
36.3
36.3
g£¬Ë®
326.7
326.7
g£®
 £¨2£©ÅäÖÆËùÐèµÄNaOHÈÜÒºÒª¾­¹ýÈçͼµÄ²½Ö裬ͼÖпÕȱµÄʵÑé²½ÖèÒÀ´ÎÊÇ
³ÆÁ¿ËùÐèNaOHµÄÁ¿ Á¿È¡ËùÐèË®µÄÁ¿
³ÆÁ¿ËùÐèNaOHµÄÁ¿ Á¿È¡ËùÐèË®µÄÁ¿
       
£¨3£©ÓÃ80gÅäÖƺõÄ10%µÄNaOHÈÜÒº·Ö¼¸´ÎÏ´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬϴµÓÖÁÈÜҺǡºÃ³ÊÖÐÐÔ£¬´Ëʱ»¹Ê£ÓàNaOHÈÜÒº30 g£¬ÇóÕâÒ»¶¨Á¿µÄʯÓͲúÆ·ÀïËùº¬H2S04µÄÖÊÁ¿£®£¨¼ÆËã½á¹û¾«È·µ½0.1£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸