K _b for Ammonia Is 1

question 8

Multiple Choice

K _b for ammonia is 1.8×10 ^{- 5}. Calculate K _a for the ammonium ion.

• A) 5.6×10⁴
• B) 4.2×10 ^{- 3}
• C) 1.8×10 ^{- 5}
• D) 1.0×10 ^{- 7}
• E) 5.6×10 ^{- 10}

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