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When 25.00 mL of HNO3 are titrated with Sr(OH)2, 58.4mL of a .218M solution are required....

When 25.00 mL of HNO3 are titrated with Sr(OH)2, 58.4mL of a .218M solution are required.

a. What is the pH of HNO3 before titration?

b. What is the pH at the equivalence point?

Please write out formulas and explain where you got the numbers.

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