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Chemistry

Answered

If 2.5 moles each of H₃PO₄,NaH₂PO₄,Na₂HPO₄ and Na₃PO₄ are mixed together to form an aqueous solution, then the resulting pH is:
A. 5.0
B. 7.6
C. 9.0
D. 11.0

Answer :

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