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24-05-2023
Chemistry

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A titration is run starting with 0.155 M HNO2. A sample of 25.0 mL of the acid is titrated with 0.109 M NaOH. Ka HNO2 = 4.00X10-4
a. What volume of NaOH is required to completely neutralize the acid?
b. What is the initial pH of the acid before titration begins?
c. What is the pH of the solution after 17.8 mL of the base have been added?
d. What is the pH of the solution at the equivalence point?
e. What is the pH of the solution after 45.0 mL of the base is added?

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