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Bottle of bar keepers friend

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Bar Keepers Friend is a household cleaner containing oxalic acid, a diprotic acid where pKa1=1.27 and pKa2=4.27. If the molarity of oxalic acid in one bottle of Bar Keepers Friend is .458M, what is the conentration of A2- at pH=3.98? 

Reference no: EM131183365

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Bottle of bar keepers friend : Bar Keepers Friend is a household cleaner containing oxalic acid, a diprotic acid where pKa1=1.27 and pKa2=4.27. If the molarity of oxalic acid in one bottle of Bar Keepers Friend is .458M, what is the conentration of A2- at pH=3.98?
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