ÌâÄ¿ÄÚÈÝ
£¨2004?ÉòÑô£©Ã¾ÊÇÖØÒªµÄ½ðÊô½á¹¹²ÄÁÏ£¬´óÁ¿ÓÃÓÚ·É»úÖÆÔìÒµ£®º£Ë®ÖÐþԪËصÄÖÊÁ¿·ÖÊý½ö´ÎÓÚÂÈÔªËغÍÄÆÔªËØ£¬¾ÓµÚÈýλ£®Ä¿Ç°ÊÀ½çÉϴ󲿷Öþ¶¼ÊÇ´Óº£Ë®ÖÐÌáÈ¡µÄ£®Ä³Ð£»¯Ñ§»î¶¯Ð¡×éµÄͬѧÃÇÓû²â¶¨º£Ë®ÖÐÂÈ»¯Ã¾µÄº¬Á¿£¬¼×¡¢ÒÒ¡¢±ûÈýλͬѧ·Ö±ð½øÐÐʵÑ飬ʵÑéÊý¾ÝÁÐÈëÏÂ±í£¬ÆäÖÐÖ»ÓÐһλͬѧÓõĺ£Ë®ÑùÆ·ÓëËù¼ÓÈëµÄÇâÑõ»¯ÄÆÈÜҺǡºÃÍêÈ«·´Ó¦£®¹Û²ì·ÖÎö±íÖÐÊý¾Ý£¬»Ø´ðÏÂÁÐÎÊÌ⣺¼× | ÒÒ | ±û | |
ËùÈ¡º£Ë®ÑùÆ·µÄÖÊÁ¿£¨g£© | 100 | 100 | 150 |
¼ÓÈëNaOHÈÜÒºµÄÖÊÁ¿£¨g£© | 20 | 10 | 10 |
·´Ó¦ºóËùµÄ³ÁµíÎïµÄÖÊÁ¿£¨g£© | 0.29 | 0.29 | 0.29 |
£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±»ò¡°±û¡±£©
£¨2£©¼ÆË㺣ˮÑùÆ·ÖÐMgCl2µÄÖÊÁ¿·ÖÊý£®£¨¼ÆËã½á¹û¾«È·µ½0.001£©
£¨3£©ÈôÒª´Óº£Ë®ÖÐÌáÈ¡2.4tþ£¬ÖÁÉÙÐ躣ˮ¶àÉÙ¶Ö£¿
¡¾´ð°¸¡¿·ÖÎö£º£¨1£©ÓÉͼ±íÊý¾Ý¿ÉÖª£¬ÈýͬѧʵÑéÉú³É³ÁµíµÄÖÊÁ¿ÏàµÈ£¬ÔòÄÄλͬѧËùÓÃÒ©Æ·µÄÖÊÁ¿×îÉÙ£¬ÊµÑéʱÁ½ÈÜÒº¾ÍÊÇÇ¡ºÃÍêÈ«·´Ó¦£»
£¨2£©¸ù¾ÝÂÈ»¯Ã¾ºÍÇâÑõ»¯ÄÆ·´Ó¦µÄ»¯Ñ§·½³ÌʽºÍÉú³É³ÁµíµÄÖÊÁ¿£¬Áгö±ÈÀýʽ£¬¾Í¿É¼ÆËã³öMgCl2µÄÖÊÁ¿£¬È»ºó¸ù¾ÝÖÊÁ¿·ÖÊý¹«Ê½¼ÆËã¼´¿É£»
£¨3£©ÀûÓÃÂÈ»¯Ã¾ÖÐþµÄÖÊÁ¿·ÖÊý£¬Áгö·½³Ìʽ£¬¾Í¿É¼ÆËã³öÖÁÉÙÐ躣ˮµÄÖÊÁ¿£®
½â´ð£º½â£º£¨1£©ÓÉͼ±íÊý¾Ý¿ÉÖª£¬ÈýͬѧʵÑéÉú³É³ÁµíµÄÖÊÁ¿ÏàµÈ£¬¶øÒÒͬѧËùÓÃÒ©Æ·µÄÖÊÁ¿×îÉÙ£¬ËùÒÔÁ½ÈÜҺǡºÃÍêÈ«·´Ó¦µÄÊÇÒÒͬѧµÄʵÑ飻¹Ê´ð°¸Îª£ºÒÒ£®
£¨2£©½â£ºÉèMgCl2µÄÖÊÁ¿Îªx
MgCl2+2NaOH¨TMg£¨OH£©2¡ý+2NaCl
95 58
x 0.29g
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131017162301300705119/SYS201310171623013007051029_DA/0.png)
½âÖ®µÃ£ºx=
=0.475g£¬
º£Ë®ÖÐMgCl2µÄÖÊÁ¿·ÖÊýΪ£º
×100%=0.475%£¬
£¨3£©ÉèÖÁÉÙÐ躣ˮµÄÖÊÁ¿Îªy£¬
¡ày×0.475%×
×100%=2.4t£¬
½âÖ®µÃ£ºy=2000t£®
´ð£º£¨2£©º£Ë®ÑùÆ·ÖÐMgCl2µÄÖÊÁ¿·ÖÊýΪ0.475%£»
£¨3£©ÖÁÉÙÐ躣ˮ2000t£®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éѧÉúÔËÓû¯Ñ§·½³ÌʽºÍÖÊÁ¿·ÖÊý¹«Ê½½øÐмÆËãµÄÄÜÁ¦£®
£¨2£©¸ù¾ÝÂÈ»¯Ã¾ºÍÇâÑõ»¯ÄÆ·´Ó¦µÄ»¯Ñ§·½³ÌʽºÍÉú³É³ÁµíµÄÖÊÁ¿£¬Áгö±ÈÀýʽ£¬¾Í¿É¼ÆËã³öMgCl2µÄÖÊÁ¿£¬È»ºó¸ù¾ÝÖÊÁ¿·ÖÊý¹«Ê½¼ÆËã¼´¿É£»
£¨3£©ÀûÓÃÂÈ»¯Ã¾ÖÐþµÄÖÊÁ¿·ÖÊý£¬Áгö·½³Ìʽ£¬¾Í¿É¼ÆËã³öÖÁÉÙÐ躣ˮµÄÖÊÁ¿£®
½â´ð£º½â£º£¨1£©ÓÉͼ±íÊý¾Ý¿ÉÖª£¬ÈýͬѧʵÑéÉú³É³ÁµíµÄÖÊÁ¿ÏàµÈ£¬¶øÒÒͬѧËùÓÃÒ©Æ·µÄÖÊÁ¿×îÉÙ£¬ËùÒÔÁ½ÈÜҺǡºÃÍêÈ«·´Ó¦µÄÊÇÒÒͬѧµÄʵÑ飻¹Ê´ð°¸Îª£ºÒÒ£®
£¨2£©½â£ºÉèMgCl2µÄÖÊÁ¿Îªx
MgCl2+2NaOH¨TMg£¨OH£©2¡ý+2NaCl
95 58
x 0.29g
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131017162301300705119/SYS201310171623013007051029_DA/0.png)
½âÖ®µÃ£ºx=
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131017162301300705119/SYS201310171623013007051029_DA/1.png)
º£Ë®ÖÐMgCl2µÄÖÊÁ¿·ÖÊýΪ£º
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131017162301300705119/SYS201310171623013007051029_DA/2.png)
£¨3£©ÉèÖÁÉÙÐ躣ˮµÄÖÊÁ¿Îªy£¬
¡ày×0.475%×
![](http://thumb.1010pic.com/pic6/res/czhx/web/STSource/20131017162301300705119/SYS201310171623013007051029_DA/3.png)
½âÖ®µÃ£ºy=2000t£®
´ð£º£¨2£©º£Ë®ÑùÆ·ÖÐMgCl2µÄÖÊÁ¿·ÖÊýΪ0.475%£»
£¨3£©ÖÁÉÙÐ躣ˮ2000t£®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éѧÉúÔËÓû¯Ñ§·½³ÌʽºÍÖÊÁ¿·ÖÊý¹«Ê½½øÐмÆËãµÄÄÜÁ¦£®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿