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
Correct Answer:
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