If a 250 ML Sample of Sulfuric Acid Is Titrated with 50

If a 25.0 mL sample of sulfuric acid is titrated with 50.0 mL of 0.200 M potassium hydroxide to a phenolphthalein endpoint,what is the molarity of the acid? H₂SO₄(aq) + 2 KOH(aq) → k₂SO₄(aq) + 2 H₂O(l)

A) 0.100 M
B) 0.150 M
C) 0.200 M
D) 0.300 M
E) 0.400 M