ÌâÄ¿ÄÚÈÝ
I.ÓйØÖк͵ζ¨µÄ²Ù×÷ÓУº ¢ÙÓñê×¼ÈÜÒºÈóÏ´µÎ¶¨¹Ü ¢ÚÍùµÎ¶¨¹ÜÄÚ×¢Èë±ê×¼ÈÜÒº ¢Û¼ì²éµÎ¶¨¹ÜÊÇ·ñ©ˮ ¢ÜµÎ¶¨ ¢ÝÏ´µÓ
ÕýÈ·µÄ²Ù×÷˳ÐòÊÇ £¨Ìî×Öĸ£©
A. ¢Ý¢Ù¢Ú¢Û¢Ü B. ¢Û¢Ý¢Ù¢Ú¢Ü C. ¢Ý¢Ú¢Û¢Ù¢Ü D. ¢Ú¢Ù¢Û¢Ý¢Ü
¢ò.Ñõ»¯»¹ÔµÎ¶¨ÊµÑéͬÖк͵ζ¨ÀàËÆ£¨ÓÃÒÑ֪Ũ¶ÈµÄÑõ»¯¼ÁÈÜÒºµÎ¶¨Î´ÖªÅ¨¶ÈµÄ»¹Ô¼ÁÈÜÒº»ò·´Ö®£©¡£ÏÖÓÐ0.001mol¡¤L£1KMnO4ËáÐÔÈÜÒººÍδ֪Ũ¶ÈµÄÎÞÉ«NaHSO3ÈÜÒº¡£·´Ó¦µÄÀë×Ó·½³ÌʽÊÇ£º2MnO4££«5HSO3££«H£« = 2Mn2£«£«5SO42££«3H2O
Ìî¿Õ»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©²»Óà £¨Ìî¡°Ëáʽ¡±»ò¡°¼îʽ¡±£©µÎ¶¨¹ÜÊ¢·Å¸ßÃÌËá¼ØÈÜÒº¡£
£¨2£©Ñ¡ºÎÖÖָʾ¼Á ¡££¨ÌîÐòºÅ£©
¢Ù¼×»ù³È ¢Ú·Ó̪ ¢Û ʯÈï ¢Ü²»ÓÃָʾ¼Á
£¨3£©µÎ¶¨Ç°Æ½ÊÓKMnO4ÒºÃ棬¿Ì¶ÈΪa mL£¬µÎ¶¨ºó¸©ÊÓÒºÃæ¿Ì¶ÈΪb mL£¬Ôò
£¨b£a£©mL±Èʵ¼ÊÏûºÄKMnO4ÈÜÒºÌå»ý £¨Ìî¡°¶à¡±»ò¡°ÉÙ¡±£©¡£¸ù¾Ý£¨b£a£©mL¼ÆËãµÃµ½µÄ´ý²âҺŨ¶È£¬±Èʵ¼ÊŨ¶È £¨Ìî¡°´ó¡±»ò¡°Ð¡¡±£©¡£
£¨4£©ÎÞÂÛÊÇKMnO4ÈÜÒºÍùNaHSO3ÈÜÒºÖеΣ¬»¹ÊÇNaHSO3ÈÜÒºÍùKMnO4ÈÜÒºÖеΣ¬ÔÚÆäËû²Ù×÷ÕýÈ·¹æ·¶µÄÇ°ÌáÏ£¬ÏÂÁвÙ×÷Ò»¶¨»áʹ²â¶¨½á¹ûÆ«¸ßµÄÊÇ ¡££¨ÌîÐòºÅ£©
¢ÙÈ¡ÓÃNaHSO3ÈÜÒºµÄµÎ¶¨¹ÜδÓôý²âNaHSO3ÈÜÒºÈóÏ´
¢ÚÈ¡ÓÃKMnO4ËáÐÔÈÜÒºµÄµÎ¶¨¹ÜδÓñê×¼KMnO4ËáÐÔÈÜÒºÈóÏ´
¢ÛµÎ¶¨¹ý³ÌÖв»É÷ÓÐÒºÌ彦³ö
¢ÜµÎ¶¨Ç°ÑöÊÓ¶ÁÊý£¬µÎ¶¨ºóƽÊÓ¶ÁÊý
I B ¢ò£¨1£©¼îʽ£¨2£©¢Ü£¨3£©É٠С£¨4£©¢Ú
½âÎö:
ÂÔ