3 2 0 of mixture involving Na3PO4 Na2HPO4 or NaH PO4 or involving three of them The solution is titrated with 16 5 mL of 0 5 M

Question

3 2 0 of mixture involving Na3PO4 Na2HPO4 or NaH PO4 or involving three of them The solution is titrated with 16 5 mL of 0 5 M HCI to reach bromocresol green end point The same solution is also titrated with 7 6 mL of 0 7 M NaOH to reach phenolphthalein end point What is the composition of that mixture What are the amounts of species in the mixture H 1 0078 0 15 99 Na 22 98 P 30 974

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