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Which two of the subsequent compounds would you mix to make a buffer of pH 7.45: H3PO4 FM 98.00, NaH2PO4 (FM 119.98), Na2HPO4 (FM 141.96), and Na3PO4 (FM 163.94)? (b) If you required to prepare 1.00 L of buffer with a total phosphate concentration of 0.050 0 M, Explain how many grams of each of the two selected compounds would you mix together?

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