If We Compare the Acid/base Properties of a 0

question 179

Multiple Choice

If we compare the acid/base properties of a 0.5 M solution of A ^- to a 0.5 M solution of HA, K _a = 1.0×10 ^{- 4}:

• A) The A ^- solution is more acidic.
• B) the pH of the A ^- solution is less.
• C) the A ^- solution will be basic.
• D) A ^- is the conjugate acid, and we need to know if K _a of A ^- is greater or less than K _a for HA.
• E) none of these.

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