如题所述
ããæ¬é¢ï¼å¨è¾¾å°å¹³è¡¡æ¶ï¼ä¾æ®FeCl3ï¼ä¸SnCl2æ··å(åçååº)åï¼SnCl2è¿å©ä½1/2ï¼æ1/2 ï¼åæäºSnCl4ï¼å³æµåº¦ç¸çï¼
ãã计ç®ï¼E = E' + 0.059 lgï¼cSn4+/cSn2+ï¼
= 0.14+ 0.059 lgï¼50%+/50%ï¼=0.14+ 0.059 lg 1 = 0.14+ 0 = 0.14 (V)
ãã计ç®ï¼E = E' + 0.059 lgï¼cSn4+/cSn2+ï¼
= 0.14+ 0.059 lgï¼50%+/50%ï¼=0.14+ 0.059 lg 1 = 0.14+ 0 = 0.14 (V)
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