Chemistry, 20.03.2020 11:19 MarishaTucker
Buffer consists of 0.50 M NaH2PO4 and 0.40 M Na2HPO4. Phosphoric acid is a triprotic acid (K a 1 = 7.2 × 10 − 3, K a 2 = 6.3 × 10 − 8, and K a 3 = 4.2 × 10 − 13). (a) Which Ka value is most important to this buffer? (b) What is the buffer pH?
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Buffer consists of 0.50 M NaH2PO4 and 0.40 M Na2HPO4. Phosphoric acid is a triprotic acid (K a 1 = 7...
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