Exam (elaborations)
CHEM005 Final 2023 with verified questions and answers
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Fumaric acid has two conjugate base forms, with pKa1=3.02 and pKa2=4.48, at what pH value αHA- got its largest fractions? a. 3.02 b. 4.48 c. 3.75 d. 5.41 c. 3.75 For a diprotic system, the equation for the fraction of A2-(αA2-) is a. αA2- = K1K2/([H+]2+[H+]K1+K1K2) b. αA2- = [H+]2...
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