ÌâÄ¿ÄÚÈÝ
ijËáÐÔÈÜÒºÖÐÖ»ÓÐNa+¡¢CH3COO-¡¢H+¡¢OH-ËÄÖÖÀë×Ó¡£ÔòÏÂÁÐÃèÊöÕýÈ·µÄÊÇ£¨ £©A.¸ÃÈÜÒºÓÉpH=3µÄCH3COOHÓëpH=11µÄNaOHÈÜÒºµÈÌå»ý»ìºÏ¶ø³É
B.¸ÃÈÜÒºÓɵÈÎïÖʵÄÁ¿Å¨¶È¡¢µÈÌå»ýµÄNaOHÈÜÒººÍCH3COOHÈÜÒº»ìºÏ¶ø³É
C.¼ÓÈëÊÊÁ¿NaOH£¬ÈÜÒºÖÐÀë×ÓŨ¶ÈΪc(CH3COO-)£¾c(Na+)£¾c(OH-)£¾c(H+)
D.¼ÓÈëÊÊÁ¿°±Ë®£¬c(CH3COO-)Ò»¶¨´óÓÚc(Na+)¡¢c()Ö®ºÍ
A
½âÎö£ºCH3COOHΪÈõËᣬ´æÔÚµçÀëƽºâ£¬pH=3µÄCH3COOHÓëpH=11 NaOHÖкͺóCH3COOHÓÐÊ£Ó࣬ÈÜÒº³ÊËáÐÔ£¬AÕýÈ·£»µÈÌå»ýµÈŨ¶ÈNaOHÓëCH3COOHÖкͺóµÃCH3COONaÈÜÒº£¬³Ê¼îÐÔ£¬B´í£»c(CH3COO-)£¾c(Na+)£¾c(OH-)£¾c(H+)²»·ûºÏµçºÉÊغ㣬C´í£»¾ÝµçºÉÊغãc(CH3COO-)+c(OH-)=c(Na+)+c()+c(H+)¿ÉÖªÈôc(OH-)´óÓÚc(H+)£¬Ôòc(CH3COO-)СÓÚc(Na+)+c()£¬D´í¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿