A 1334-ML Sample of a 0

question 146

Multiple Choice

A 133.4-mL sample of a 0.21 M solution of H₃PO₄ is titrated with 0.14 M NaOH. What volume of base must be added to reach the third equivalence point?

• A) 4.0 × 10² mL
• B) 2.0 × 10² mL
• C) 6.0 × 10² mL
• D) 2.7 × 10² mL
• E) 67 mL

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Definitions:

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