Question: What the [A] that has more than 8.29 as the H2PO 4 and 1.30×10 −8 as the PO4 3?
SQL: SELECT [A] (mol/L) FROM table WHERE [H 2 PO 4 − ]/[A] (%) > 8.29 AND [PO 4 3− ]/[A] (%) = 1.30×10 −8