What is the pH of a buffer solution that is 0.34 M in Na2HPO4 and 0.46 M in KH2PO4? For ‒3 ‒8 ‒13 H3PO4. Ka1 = 7.1×10 , Ka2 = 6.3×10 , and Ka3 = 4.5×10 .
Added by Delayne P.
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The buffer solution is made of Na2HPO4 (sodium hydrogen phosphate) and KH2PO4 (potassium dihydrogen phosphate). These compounds are salts of the weak acid H3PO4 (phosphoric acid) and its conjugate bases. The relevant reaction for the buffer solution involves the Show more…
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