ÌâÄ¿ÄÚÈÝ

Ϊ²â¶¨Ä³Ã¾ÂÁºÏ½ðÑùÆ·ÖÐÂÁµÄº¬Á¿£¬½øÐÐÁËÏÂÁÐʵÑ飺ȡһ¶¨Á¿ºÏ½ð£¬¼ÓÈë100 mL 0.3 mol¡¤L£­1Ï¡ÁòËᣬºÏ½ðÍêÈ«Èܽ⣬²úÉúµÄÆøÌåÔÚ±ê×¼×´¿öÏÂÌå»ýΪ560 mL£»ÔÙ¼ÓÈë0.2 mol¡¤L£­1NaOHÈÜÒºÖÁ³ÁµíÖÊÁ¿Ç¡ºÃ²»Ôٱ仯£¬ÓÃÈ¥350 mL NaOHÈÜÒº¡£ÔòËùÈ¡ÑùÆ·ÖÐÂÁµÄÎïÖʵÄÁ¿Îª(¡¡¡¡)

A£®0.005 mol¡¡     B£®0.01 mol¡¡    C£®0.025 mol¡¡    D£®0.03 mol

 

¡¾´ð°¸¡¿

B

¡¾½âÎö¡¿×îÖÕÈÜҺΪNa2SO4ÓëNaAlO2µÄ»ìºÏÒº£¬ÓÉÔªËØÊغã¿ÉÖªNa£«Îª0.07 mol£¬SO42£­Îª0.03mol£¬¿ÉÖªAlO2£­Îª0.01 mol£¬Ò²¾ÍÊÇ˵ԭºÏ½ðÖÐÂÁΪ0.01 mol

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø