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H3PO4 is a weak triprotic acid. The pH of 0.1M Naz H PO, (aq) is calculated by (A) PKa, + PKoz] (B) PK, +

H3PO4 is a weak triprotic acid. The pH of 0.1M Naz H PO, (aq) is calculated by (A) PKa, + PKoz] (B) PK, + PK,s] (C) PK + PKas] (D) PK + PKar

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