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A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.18 M NaOH. What is the...

A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.18 M NaOH. What is the pH of the solution after 25.0 mL of NaOH have been added to the acid?

A) 1.65

B) 2.75

C) 1.95

D) 3.30

E) 2.00

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