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A 250 ML Sample of H₃ PO₄ Requires 50

Question 33

Multiple Choice

A 25.0 mL sample of H₃ PO₄ requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?
H₃ PO₄ + 3NaOH →Na3PO₄ + 3H2O


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

Correct Answer:

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