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Using the Henderson-Hasselbalch equation, calculate the amounts of monosodium phosphate (NaH2PO4,FW=120.01g/mol) and disodium phosphate (Na2HPO4;FW=141.96g/mol) required to prepare 100.mL of a 250. mM phosphate buffer

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Using the Henderson-Hasselbalch equation, calculate the amounts of monosodium phosphate (NaH2PO4,FW=120.01g/mol) and disodium phosphate (Na2HPO4;FW=141.96g/mol) required to prepare 100.mL of a 250. mM phosphate buffer with a pH of 6.8. Note the concentration of a buffer is equal to the sum of the concentrations of the conjugate base and the weak acid comprising the buffer

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