19. Solving a chemistry problem

56. Calculate and build a titration curve for 100 ml of a solution of the specified substance. The dilution of the solution during titration should not be taken into account. Use the data in Table. 2. Specify the jump value and the pH value at the equivalence point.
No. Titratable substance Working
solution

Valeric acid CH3(NH2)3COOH 0.30 M 1.4 ∙ 10–5 0.30 M HNO3