ÌâÄ¿ÄÚÈÝ
£¨¹²12·Ö£©ÊµÑéÊÒÖÐÓмשpÒÒÁ½Æ¿¶ªÊ§±êÇ©µÄÎÞÉ«ÈÜÒº£¬ÆäÖÐһƿÊÇÑÎËᣬÁíһƿÊÇ̼ËáÄÆÈÜÒº¡£ÎªÈ·¶¨¼×©pÒÒÁ½Æ¿ÈÜÒºµÄ³É·Ö¼°ÆäÎïÖʵÄÁ¿Å¨¶È£¬ÏÖ²Ù×÷ÈçÏ£º
¢ÙÁ¿È¡25.00mL¼×ÈÜÒº,ÏòÆäÖлº»ºµÎ¼ÓÒÒÈÜÒº15.00mL£¬¹²ÊÕ¼¯µ½CO2ÆøÌå224mL©v±ê¿ö©w¡£¢ÚÁ¿È¡15.00mLÒÒÈÜÒº,ÏòÆäÖлº»ºµÎ¼Ó¼×ÈÜÒº25.00mL£¬¹²ÊÕ¼¯µ½CO2ÆøÌå112mL©v±ê¿ö©w¡£
Çë»Ø´ð£º
£¨1£©¸ù¾ÝÉÏÊöÁ½ÖÖ²»Í¬²Ù×÷¹ý³Ì¼°ÊµÑéÊý¾Ý¿ÉÅжϼ×ÈÜÒºÊÇ (ÌîÃû³Æ)
£¨2£©¼×ÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈΪ mol©qL£1
ÒÒÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈΪ mol©qL£1 ©vºöÂÔCO2ÔÚÈÜÒºÖеÄÉÙÁ¿Èܽâ©w¡£
£¨3£©ÈôÓÃÀàËÆÉÏÊö¡°»¥µÎ¡±µÄ·½Ê½¡£
¢Ù½«100 mL 3mol/LµÄNaAlO2ÈÜÒºÖðµÎ¼Óµ½50mL12mol/LµÄHClÈÜÒºÖУ¬³ä·Ö·´Ó¦¡£
д³ö·¢Éú·´Ó¦µÄ×Ü·´Ó¦Àë×Ó·½³Ìʽ ¡£
¢Ú½«50mL12mol/LµÄHClÈÜÒºÖðµÎ¼ÓÈë100 mL 3mol/LµÄNaAlO2ÈÜÒºÖУ¬³ä·Ö·´Ó¦¡£Á½ÖÖ»ìºÏ·½Ê½Éú³É³ÁµíµÄÁ¿ÊÇ·ñÏàµÈ £¨Ìî¡°ÏàµÈ¡±»ò¡°²»ÏàµÈ¡±£©
£¨1£©ÑÎËᣨÌîHCl²»µÃ·Ö£©£¨1·Ö£©
£¨2£©0.8mol/L £¨3·Ö£© 1mol/L £¨3·Ö£©
£¨3£©3AlO2-+6H+=Al3+£«2Al(OH)3¡ý£¨3·Ö£»Ã»ÓгÁµí·ûºÅ¡ý¿Û1·Ö£©ÏàµÈ£¨2·Ö£©
½âÎö