For this problem, we have to determine the relationship of each Ka values of a polyprotic acid H3PO4
Which of the following represents the correct relative Ka values for H3PO4 (Ka1), H2PO4- (Ka2) and HPO42- (Ka3)?
A. Ka1 = Ka2 = Ka3
B. Ka1 < Ka2 > Ka3
C. Ka1 < Ka2 < Ka3
D. Ka1 > Ka2 > Ka3
E. None of the above
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What scientific concept do you need to know in order to solve this problem?
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