ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿º£Ë®Öк¬ÓÐNaCl¡¢Na2CO3µÈÎïÖÊ¡£º£Ë®ÍÑÁò¼¼ÊõÊÇÓú£Ë®ÎüÊÕȼúÑÌÆøÖÐSO2¡£
£¨1£©º£Ë®ÍÑÁòÉ豸ÖУ¬ÅųöµÄº£Ë®³Ê¼îÐÔµÄÊÇ_______£¨Ìî×ÖĸÐòºÅ£©¡£
A£®º£Ë®±Ã B£®ÎüÊÕËþ C. ÆØÆø³Ø¢Ù D£®ÆØÆø³Ø¢Ú
£¨2£©ÏòÆØÆø³Ø¢ÙÄÚͨÈë¿ÕÆøºó£¬·¢ÉúµÄÖ÷Òª»¯Ñ§·´Ó¦ÈçÏ£º
i. 2H2SO3 + O2 ==== 2H2SO4
ii. 2Na2SO3 + O2 ==== 2Na2SO4
·´Ó¦i¡¢iiÖл¯ºÏ¼ÛÉý¸ßµÄÔªËØÊÇ_______¡£
£¨3£©ÆØÆø³Ø¢ÚÅŷŵĺ£Ë®Öв»º¬H2SO4µÄÔÒòÊÇ_______£¨Óû¯Ñ§·½³Ìʽ½âÊÍ£©¡£
¡¾´ð°¸¡¿ A S Na2CO3 + H2SO4 ===== Na2SO4 + CO2¡ü+ H2O
¡¾½âÎö¡¿£¨1£©¸ù¾ÝÈÜÒºpH½â´ð£»
£¨2£©¸ù¾ÝÔªËØ»¯ºÏ¼Û½â´ð£»
£¨3£©¸ù¾Ý̼ËáÄÆÓëÁòËá·´Ó¦½â´ð¡£
½â£º£¨1£©ÓÉͼ¿ÉÖªº£Ë®±Ã³é³öµÄº£Ë®pH=8£¬¹Êº£Ë®ÍÑÁòÉ豸ÖУ¬ÅųöµÄº£Ë®³Ê¼îÐÔµÄÊǺ£Ë®±Ã£¬¹ÊÑ¡A£»
£¨2£©ÔÚH2SO3ÖÐSÏÔ+4¼Û£¬ÔÚNa2SO4ºÍH2SO4ÖÐSÏÔ+6¼Û¡£¹Ê·´Ó¦i¡¢iiÖл¯ºÏ¼ÛÉý¸ßµÄÔªËØÊÇ£ºS£»
£¨3£©ÓÉÓÚº£Ë®Öк¬ÓÐ̼ËáÄÆ£¬Ì¼ËáÄÆÓëÁòËá·¢Éú·´Ó¦Éú³ÉÁòËáÄÆ¡¢Ë®ºÍ¶þÑõ»¯Ì¼¡£¹ÊÆØÆø³Ø¢ÚÅŷŵĺ£Ë®Öв»º¬H2SO4µÄÔÒòÊÇNa2CO3 + H2SO4 = Na2SO4 + CO2¡ü+ H2O¡£