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Identify the conjugate acid for the following weak bases and calculate the corresponding Ka-value for each....

Identify the conjugate acid for the following weak bases and calculate the corresponding Ka-value for each. Which conjugate acid is the strongest? [Hint: See Appendix 5 for the Kb-value for weak bases. Kw = 1.00 × 10–14.]

(8.a) CH3NH2

(8.b) HPO42–

(8.c) H2NC(O)NH2

(8.d) NO2–

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Conjugate acid of H2NCONH2 (8 c) is strongest acid .... Because it's pka is highest amongst these four compounds. For details please go through the attachment

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