A 020 M Solution of the Weak Acid HA Is Found

question 116

Multiple Choice

A 0.20 M solution of the weak acid HA is found to have a pH of 3.25. What is the K _a for this acid?

• A) 10 ^{- 3.25}
• B) 3.2×10 ^{- 6}
• C) 0.12
• D) 1.6×10 ^{- 6}
• E) 3.2×10 ^{- 7}

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