2. Calculate the equilibrium concentration of and in a 1.00 M solution of H3PO4 where the , for H3PO4 are , , and , respectively. Besides, what’s the pH of this solution?
阿摩線上測驗
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and 
in a 1.00 M solution of H3PO4 where the 
, 
for H3PO4 are 
, 
, and 
, respectively. Besides, what’s the pH of this solution?