ÌâÄ¿ÄÚÈÝ
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131031123726880134143/SYS201310311237268801341025_ST/images0.png)
2NH3+H2SO4=£¨NH4£©2SO4£¬ÏÖÈ¡¸ÃÅ£ÄÌÑùÆ·30mL£¬Ó᰸Ƕû´ï·¨¡±·Ö½âÆäÖеĵ°°×ÖÊ£¬²úÉúµÄ°±ÆøÓÃ9.5gÈÜÖÊÖÊÁ¿·ÖÊýΪ4.9%µÄÏ¡ÁòËáÇ¡ºÃÍêÈ«ÎüÊÕ£®¼ÆËã²¢»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©²úÉú°±ÆøµÄÖÊÁ¿ÊǶàÉÙ¿Ë£¿£¨¼ÆËã½á¹û¾«È·µ½0.01g£¬ÏÂͬ£©
£¨2£©30mLÅ£ÄÌÖꬵªÔªËصÄÖÊÁ¿ÊǶàÉÙ¿Ë£¿
£¨3£©ÏÂͼÊǸÃÅ£ÄÌ°ü×°±êÇ©µÄ²¿·ÖÄÚÈÝ£®ÒÑ֪ţÄÌÖеĵ°°×Öʺ¬µªÔªËصÄÖÊÁ¿·ÖÊýΪ16%£¬ÇëÄãͨ¹ý¼ÆËãÈ·¶¨£¬¸ÃÅ£ÄÌÑùÆ·Öе°°×Öʵĺ¬Á¿ÊÇ·ñ´ïµ½ÁË°ü×°±êÇ©Ëù±êʾµÄµ°°×ÖʵÄÖÊÁ¿±ê×¼£®
¡¾´ð°¸¡¿·ÖÎö£º£¨1£©ÓÉÏ¡ÁòËáµÄÖÊÁ¿ºÍÖÊÁ¿·ÖÊý¸ù¾Ý°±ÆøÓëÏ¡ÁòËá·´Ó¦µÄ»¯Ñ§·½³Ìʽ¿ÉÒÔ¼ÆËã³ö²úÉú°±ÆøµÄÖÊÁ¿£®
£¨2£©ÓÉ°±ÆøµÄÖÊÁ¿¡¢°±ÆøµÄ»¯Ñ§Ê½¡¢»¯ºÏÎïÖÐÔªËصÄÖÊÁ¿·ÖÊýµÄ¼ÆË㹫ʽ£¬¿ÉÒÔ¼ÆËã³ö30mLÅ£ÄÌÖеªÔªËصÄÖÊÁ¿£®
£¨3£©ÓɵªÔªËصÄÖÊÁ¿ºÍµªÔªËصÄÖÊÁ¿·ÖÊý¿ÉÒÔ¼ÆËã³ö30mLÅ£ÄÌÖе°°×ÖʵÄÖÊÁ¿£¬ÔÙ»»Ëã³É100mLÅ£ÄÌÖе°°×ÖʵÄÖÊÁ¿£¬×îºóÓë±êÇ©Éϵ°°×Öʵĺ¬Á¿±È½Ï£¬¾ÍÄܵóö±¾Ð¡ÌâµÄ´ð°¸£®
½â´ð£º½â£º£¨1£©Éè²úÉú°±ÆøµÄÖÊÁ¿Îªx£®
2NH3+H2SO4=£¨NH4£©2SO4
34 98
x 9.5g×4.9%
=
£¬
x¡Ö0.16g
£¨2£©30mLÅ£ÄÌÖеªÔªËصÄÖÊÁ¿Îª0.16g×
×100%¡Ö0.13g
£¨3£©100mLÅ£ÄÌÖꬵ°°×ÖʵÄÖÊÁ¿Îª0.13g÷30mL×100mL÷16%¡Ö2.71g£¼2.90g
˵Ã÷¸ÃÅ£ÄÌδ´ïµ½±êÇ©ËùʾÖÊÁ¿±ê×¼£®
´ð£º£¨1£©²úÉú°±ÆøµÄÖÊÁ¿Ô¼Îª0.16g£»
£¨2£©30mLÅ£ÄÌÖеªÔªËصÄÖÊÁ¿Ô¼Îª0.13g£»
£¨3£©¸ÃÅ£ÄÌδ´ïµ½±êÇ©ËùʾÖÊÁ¿±ê×¼£®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÓйػ¯Ñ§·½³ÌʽµÄ¼ÆËãºÍÓйػ¯Ñ§Ê½µÄ¼ÆË㣬ÄѶȽϴó£®
£¨2£©ÓÉ°±ÆøµÄÖÊÁ¿¡¢°±ÆøµÄ»¯Ñ§Ê½¡¢»¯ºÏÎïÖÐÔªËصÄÖÊÁ¿·ÖÊýµÄ¼ÆË㹫ʽ£¬¿ÉÒÔ¼ÆËã³ö30mLÅ£ÄÌÖеªÔªËصÄÖÊÁ¿£®
£¨3£©ÓɵªÔªËصÄÖÊÁ¿ºÍµªÔªËصÄÖÊÁ¿·ÖÊý¿ÉÒÔ¼ÆËã³ö30mLÅ£ÄÌÖе°°×ÖʵÄÖÊÁ¿£¬ÔÙ»»Ëã³É100mLÅ£ÄÌÖе°°×ÖʵÄÖÊÁ¿£¬×îºóÓë±êÇ©Éϵ°°×Öʵĺ¬Á¿±È½Ï£¬¾ÍÄܵóö±¾Ð¡ÌâµÄ´ð°¸£®
½â´ð£º½â£º£¨1£©Éè²úÉú°±ÆøµÄÖÊÁ¿Îªx£®
2NH3+H2SO4=£¨NH4£©2SO4
34 98
x 9.5g×4.9%
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131031123726880134143/SYS201310311237268801341025_DA/0.png)
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131031123726880134143/SYS201310311237268801341025_DA/1.png)
x¡Ö0.16g
£¨2£©30mLÅ£ÄÌÖеªÔªËصÄÖÊÁ¿Îª0.16g×
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131031123726880134143/SYS201310311237268801341025_DA/2.png)
£¨3£©100mLÅ£ÄÌÖꬵ°°×ÖʵÄÖÊÁ¿Îª0.13g÷30mL×100mL÷16%¡Ö2.71g£¼2.90g
˵Ã÷¸ÃÅ£ÄÌδ´ïµ½±êÇ©ËùʾÖÊÁ¿±ê×¼£®
´ð£º£¨1£©²úÉú°±ÆøµÄÖÊÁ¿Ô¼Îª0.16g£»
£¨2£©30mLÅ£ÄÌÖеªÔªËصÄÖÊÁ¿Ô¼Îª0.13g£»
£¨3£©¸ÃÅ£ÄÌδ´ïµ½±êÇ©ËùʾÖÊÁ¿±ê×¼£®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÓйػ¯Ñ§·½³ÌʽµÄ¼ÆËãºÍÓйػ¯Ñ§Ê½µÄ¼ÆË㣬ÄѶȽϴó£®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿