ÌâÄ¿ÄÚÈÝ
¸ù¾Ýϱí»Ø´ð£ºÉúÎïϸ°ûÖеÄÔªËØ
£¨1£©±íÖй²ÓÐ ÖÖ½ðÊôÔªËØ£¬Ð´³öÖÊÁ¿·ÖÊýΪ0.05%µÄÔªËØÓëÂÈÔªËØÐγɵĻ¯ºÏÎïµÄ»¯Ñ§Ê½ £®
£¨2£©¸ù¾ÝÉϱíµÄÊý¾ÝºÍÄãËùѧµÄ֪ʶ£¬ÄãÈÏΪÉúÎïϸ°ûÖк¬Á¿×î¸ßµÄÎïÖÊÊÇ £¬´ÓÉϱíÖеÄÊý¾ÝÀ´¿´£¬¸ÃÎïÖʵÄÖÊÁ¿·ÖÊý×î´óΪ £®
ÔªËØ | ÖÊÁ¿·ÖÊý | ÔªËØ | ÖÊÁ¿·ÖÊý | ÔªËØ | ÖÊÁ¿·ÖÊý |
Ñõ | 65% | Á× | 1.0% | Í¡¢Ð¿¡¢Îø¡¢îâ¡¢·ú¡¢ÂÈ¡¢µâ¡¢ÃÌ¡¢Ìú | 0.70% |
̼ | 18% | ¼Ø | 0.35% | ||
Çâ | 10% | Áò | 0.25% | ||
µª | 3% | ÄÆ | 0.15% | ||
¸Æ | 1.0% | þ | 0.05% | ÆäËû | ΢Á¿ |
£¨2£©¸ù¾ÝÉϱíµÄÊý¾ÝºÍÄãËùѧµÄ֪ʶ£¬ÄãÈÏΪÉúÎïϸ°ûÖк¬Á¿×î¸ßµÄÎïÖÊÊÇ
¿¼µã£ºÔªËصļòµ¥·ÖÀà,»¯Ñ§Ê½µÄÊéд¼°ÒâÒå,ÔªËصÄÖÊÁ¿·ÖÊý¼ÆËã
רÌ⣺»¯Ñ§ÓÃÓïºÍÖÊÁ¿Êغ㶨ÂÉ
·ÖÎö£º£¨1£©´Ó±íÖпÉÖªÉúÎïϸ°ûÖй²º¬ÓÐ19ÖÖÔªËØ£¬ÖÊÁ¿·ÖÊýΪ0.05%µÄÔªËØÊÇþԪËØ£¬È¥·ÖÎö½â´ð£»
£¨2£©´Ó¸ù¾ÝÉϱíµÄÊý¾ÝºÍÄãËùѧµÄ֪ʶ£¬¿ÉÒÔ¿´³öÑõÔªËصĺ¬Á¿×î¸ß£¬³ÉÄêÈËÈËÌåÖÐË®µÄÖÊÁ¿·ÖÊýΪ65%¡«70%£¬ËùÒÔÉúÎïϸ°ûÖк¬Á¿×î¸ßµÄÎïÖÊÊÇË®£»ÒÑ֪ˮÖÐÇâÑõÁ½ÖÖÔªËصÄÖÊÁ¿±ÈΪ£ºH£ºO=£¨1¡Á2£©£º16=1£º8£¬È¥·ÖÎö½â´ð£»
£¨2£©´Ó¸ù¾ÝÉϱíµÄÊý¾ÝºÍÄãËùѧµÄ֪ʶ£¬¿ÉÒÔ¿´³öÑõÔªËصĺ¬Á¿×î¸ß£¬³ÉÄêÈËÈËÌåÖÐË®µÄÖÊÁ¿·ÖÊýΪ65%¡«70%£¬ËùÒÔÉúÎïϸ°ûÖк¬Á¿×î¸ßµÄÎïÖÊÊÇË®£»ÒÑ֪ˮÖÐÇâÑõÁ½ÖÖÔªËصÄÖÊÁ¿±ÈΪ£ºH£ºO=£¨1¡Á2£©£º16=1£º8£¬È¥·ÖÎö½â´ð£»
½â´ð£º½â£º£¨1£©ÓɱíÖпÉÖªÉúÎïϸ°ûÖй²º¬ÓÐ19ÖÖÔªËØ£¬ÖÊÁ¿·ÖÊýΪ0.05%µÄÔªËØÊÇþԪËØ£¬ËüÓëÂÈÔªËØÐγɵĻ¯ºÏÎïµÄ»¯Ñ§Ê½Îª£ºMgCl2£»¹Ê´ð°¸Îª£º19 MgCl2£»
£¨2£©¸ù¾ÝÉϱíµÄÊý¾ÝºÍÄãËùѧµÄ֪ʶ£¬¿ÉÒÔ¿´³öÑõÔªËصĺ¬Á¿×î¸ß£¬³ÉÄêÈËÈËÌåÖÐË®µÄÖÊÁ¿·ÖÊýΪ65%¡«70%£¬ËùÒÔÉúÎïϸ°ûÖк¬Á¿×î¸ßµÄÎïÖÊÊÇË®£»ÒÑ֪ˮÖÐÇâÑõÁ½ÖÖÔªËصÄÖÊÁ¿±ÈΪ£ºH£ºO=£¨1¡Á2£©£º16=1£º8£¬¼ÙÉèÉúÎïϸ°ûÖеÄÇâÔªËØÈ«²¿ÊÇË®ÖеÄÇâÔªËØ£¬ÒÑÖªÉúÎïϸ°ûÖÐÇâÔªËصÄÖÊÁ¿·ÖÊýΪ10%£¬ÔòÉúÎïϸ°ûÖÐË®ÖÐÑõÔªËصÄÖÊÁ¿·ÖÊýΪ64%£»¹ÊË®µÄÖÊÁ¿·ÖÊýΪ£º10%+64%=74%£»¹Ê´ð°¸Îª£ºË® 74%£¬
£¨2£©¸ù¾ÝÉϱíµÄÊý¾ÝºÍÄãËùѧµÄ֪ʶ£¬¿ÉÒÔ¿´³öÑõÔªËصĺ¬Á¿×î¸ß£¬³ÉÄêÈËÈËÌåÖÐË®µÄÖÊÁ¿·ÖÊýΪ65%¡«70%£¬ËùÒÔÉúÎïϸ°ûÖк¬Á¿×î¸ßµÄÎïÖÊÊÇË®£»ÒÑ֪ˮÖÐÇâÑõÁ½ÖÖÔªËصÄÖÊÁ¿±ÈΪ£ºH£ºO=£¨1¡Á2£©£º16=1£º8£¬¼ÙÉèÉúÎïϸ°ûÖеÄÇâÔªËØÈ«²¿ÊÇË®ÖеÄÇâÔªËØ£¬ÒÑÖªÉúÎïϸ°ûÖÐÇâÔªËصÄÖÊÁ¿·ÖÊýΪ10%£¬ÔòÉúÎïϸ°ûÖÐË®ÖÐÑõÔªËصÄÖÊÁ¿·ÖÊýΪ64%£»¹ÊË®µÄÖÊÁ¿·ÖÊýΪ£º10%+64%=74%£»¹Ê´ð°¸Îª£ºË® 74%£¬
µãÆÀ£ºÑ§»¯Ñ§¡¢Óû¯Ñ§£¬Ñ§»áÓû¯Ñ§µÄÑ۹⿴Éç»á£¬¿´Éú»î£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
Óû³ýÈ¥À¨ºÅÄÚµÄÉÙÁ¿ÔÓÖÊ£¬Ñ¡ÓÃÊÔ¼Á²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A¡¢NaClÈÜÒº£¨NaOH£©Ñ¡ÓÃBaCl2 |
B¡¢CO2£¨Ë®ÕôÆø£©Ñ¡ÓÃŨÁòËá |
C¡¢CaCl2ÈÜÒº£¨ÑÎËᣩѡÓÃCaCO3 |
D¡¢MnO2£¨KCl£©Ñ¡ÓÃË® |