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¶¨Á¿³ÆÈ¡Pb3O4£¬¼Ó¹ýÁ¿ÏõËá΢ÈȽÁ°èÈܽ⣬¹ÌÒº·ÖÀ룬ÓÃˮϴµÓºÚÉ«³Áµí(PbO2)£¬Ï´ÒººÏ²¢µ½ÈܽâÒºÖÐ[Pb(NO3)2]£¬ÔÙÓÃÂçºÏµÎ¶¨²â¶¨Pb(2+)£»ºÚÉ«¹ÌÌåÔÚ´×Ëá´æÔÚϼÓÈë¹ýÁ¿KI£¬Éú³ÉµÄI2ÓÃÑõ»¯»¹Ô­µÎ¶¨·¨µÎ³öPbO2µÄ±ÈÀý¡£Á½ÏîµÎ¶¨¹²Í¬¾ö¶¨Æä×é³É¡£
Pb3O4 + 4HNO3 = PbO2(s) + 2Pb(NO3)2 + 2H2O
PbO2 + 4HAc + 2KI = Pb(Ac)2 + I2 + 2H2O + 2KAc
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