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Consider the reaction NH30(aq) + H2O(l) ⇌ NH4+(aq) + OH−(aq). Kb for NH30 is 1.8×10−5 at 25∘C. What is Ka for the NH4+ ion at 25∘C ? 5.6×104 5.6×10−10 1.8×10−5 7.2×10−12 9.2×10−8

Consider the reaction NH30(aq) + H2O(l) ⇌ NH4+(aq) + OH−(aq). Kb for NH30 is 1.8×10−5 at 25∘C. What is Ka for the NH4+ ion at 25∘C ? 5.6×104 5.6×10−10 1.8×10−5 7.2×10−12 9.2×10−8

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Consider the reaction N H 3 0 ( a q ) + H 2 O ( l ) ⇌ N H 4 + ( a q ) + O H − ( a q ) . K b for N H 3 0 is 1.8 × 10 − 5 at 25 ∘ C . What is K a for the N H 4 + ion at 25 ∘ C ? 5.6 × 10 4 5.6 × 10 − 10 1.8 × 10 − 5 7.2 × 10 − 12 9.2 × 10 − 8

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