單項選擇題已知0.1000mol/L的EDTA溶液,在某酸度下,Y4-的酸效應(yīng)系數(shù)的對數(shù)為lga=7.24,則該溶液中[Y4-]為()

A.10-7.24mol/L
B.107.24mol/L
C.10-8.24mol/L
D.10-6.24mol/L


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