A Solution Contains 10

question 140

Multiple Choice

A solution contains 10. mmol of H₃PO₄ and 5.0 mmol of NaH₂PO₄. How many milliliters of 0.10 M NaOH must be added to reach the second equivalence point of the titration of the H₃PO₄ with NaOH?

• A) 2.0 × 10² mL
• B) 150 mL
• C) 250 mL
• D) 1.0 × 10² mL
• E) 50 mL

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Definitions:

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