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H3PO4 + OH- = H2PO4- + H2O
H2PO4- + OH- = HPO42- + H2O
HPO42- + OH- = PO43- + H2O

H3PO4 + OH- = PO43- + 3H2O
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Originally posted by luoyuan08 at 2009-10-28 09:33:
1.Á×ËáÊÇÈýÔªËᣬ¸úÇâÑõ»¯ÄÆ·´Ó¦£¬¿ÉÄÜÉú³ÉNaH2PO4,Na2HPO4,Na3PO4,Õâ¾ö¶¨ÓÚÁ½ÕßµÄÓÃÁ¿£¬»¹ÓпÉÄÜÊÇ»ìºÏÎÈ磺Na2HPO4,Na3PO4¡£
2.Á×ËáÊÇÖÐÇ¿ËᣬдÀë×Ó·½³Ìʽʱ²»Äܲ𿪡£
H3PO4 + OH- = H2PO4- + H2O
H2PO ...

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