A 0250 M Aqueous Solution of a Monoprotic Weak Acid Has

question 162

Multiple Choice

A 0.250 M aqueous solution of a monoprotic weak acid has [H₃O⁺] of 3.2×10 ^{- 3}. What is the analytical concentration of this weak acid?

• A) 0.250 M
• B) 3.2×10 ^{- 3} M
• C) 12.4×10 ^{- 3} M
• D) 2.49
• E) Depends on K _a

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