Given That K_a for the Weak Acid HA Is 3

question 94

Multiple Choice

Given that K_a for the weak acid HA is 3.49 × 10^-8,calculate K for the reaction of HA with OH^-. HA(aq) + OH−(aq) D A−(aq) + H₂O( )

• A) 3.49
• B) 3.49 × 10⁶
• C) 3.49 × 10^-22
• D) 2.87 × 10²¹
• E) 2.87 × 10^-7

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