A 250 ML Sample of H₃PO₄ Requires 50

question 59

Multiple Choice

A 25.0 mL sample of H₃PO₄ requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?
H₃PO₄ + 3NaOH → Na₃PO₄ + 3H₂O

• A) 0.333 M
• B) 3.00 M
• C) 1.50 M
• D) 1.00 M
• E) 0.750 M

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