A mixture contains 0.060 moles of NaH2PO4 and 0.080 moles of K2HPO4. It is titrated with 0.500 molar NaOH(aq) to neutralize it completely. How many mL of the NaOH solution are required?
A) 280 mL
B) 313.3 mL
C) 372 mL
D) 400 mL
E) 440 mL
Correct Answer:
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