ij¹¤³§»¯ÑéÊÒÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËá¡£

£¨1£©ÅäÖÆÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜÒº50g£¬ÐèÒª¹ÌÌåÇâÑõ»¯ÄÆ        gºÍ               Ë®           mL¡££¨Ë®µÄÃܶÈΪ1g/cm3£©

£¨2£©Ï´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜÒº40g,Ï´µÓºóÈÜÒº³ÊÖÐÐÔ£¬ÇóÔÚÕâÒ»¶¨Á¿µÄʯÓͲúÆ·ÀïH2SO4µÄÖÊÁ¿¡££¨·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ£º2NaOH+ H2SO4     Na2SO4+2H2O £©

.£¨1£©   10      40 

   £¨2£©

      ½â£ºÉèʯÓͲúÆ·ÀïH2SO4µÄÖÊÁ¿Îªx

               2NaOH + H2SO4===Na2SO4+2H2O

--------------2·Ö

 
                              80     98     

     40g¡Á20%     x                   

--------------2·Ö

 
         

--------------1·Ö

 
 

                     x=9.8g

         ´ð£ºÊ¯ÓͲúÆ·ÀïH2SO4µÄÖÊÁ¿Îª9.8 g¡£              

   

  

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ij¹¤³§»¯ÑéÊÒÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËá.

£¨1£©ÅäÖÆÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜÒº50g£¬ÐèÒª¹ÌÌåÇâÑõ»¯ÄÆ        gºÍË®    

      mL.

2£©Ï´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄ¸ÃÇâÑõ»¯ÄÆÈÜÒº40g,Ï´µÓºóÈÜÒº³ÊÖÐÐÔ.ÇóÔÚÕâÒ»¶¨Á¿µÄʯÓͲúÆ·ÀïH2SO4µÄÖÊÁ¿.

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ij¹¤³§»¯ÑéÊÒÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËá.

£¨1£©ÅäÖÆÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜÒº50g£¬ÐèÒª¹ÌÌåÇâÑõ»¯ÄÆ        gºÍË®    

      mL.

92£©Ï´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄ¸ÃÇâÑõ»¯ÄÆÈÜÒº40g,Ï´µÓºóÈÜÒº³ÊÖÐÐÔ.ÇóÔÚÕâÒ»¶¨Á¿µÄʯÓͲúÆ·ÀïH2SO4µÄÖÊÁ¿.

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ij¹¤³§»¯ÑéÊÒÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËá¡£

£¨1£©£¨4·Ö£©ÅäÖÆÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜÒº50g£¬ÐèÒª¹ÌÌåÇâÑõ»¯ÄÆ        gºÍ               Ë®           mL¡££¨Ë®µÄÃܶÈΪ1g/cm3£©

£¨2£©£¨5·Ö£©Ï´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜÒº40g,Ï´µÓºóÈÜÒº³ÊÖÐÐÔ£¬ÇóÔÚÕâÒ»¶¨Á¿µÄʯÓͲúÆ·ÀïH2SO4µÄÖÊÁ¿¡££¨·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ£º2NaOH+ H2SO4     Na2SO4+2H2O £©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£ºÍ¬²½Ìâ ÌâÐÍ£º¼ÆËãÌâ

ij¹¤³§»¯ÑéÊÒÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜҺϴµÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËá.
£¨1£©ÅäÖÆÖÊÁ¿·ÖÊýΪ20%µÄÇâÑõ»¯ÄÆÈÜÒº50g£¬ÐèÒª¹ÌÌåÇâÑõ»¯ÄÆ          gºÍË®            mL.
£¨2£©Ï´µÓÒ»¶¨Á¿Ê¯ÓͲúÆ·ÖеIJÐÓàÁòËᣬ¹²ÏûºÄ¸ÃÇâÑõ»¯ÄÆÈÜÒº40g£¬Ï´µÓºóÈÜÒº³ÊÖÐÐÔ£¬ÇóÔÚÕâÒ»¶¨Á¿µÄʯÓͲúÆ·ÀïH2SO4µÄÖÊÁ¿¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸