A Buffer Contains Equal Concentrations of a Weak Acid,HA,and Its

question 54

Multiple Choice

A buffer contains equal concentrations of a weak acid,HA,and its conjugate base,A^-.If the value of K_a for HA is 1.0 * 10^-9,what is the pH of the buffer?

• A)13.0
• B)5.0
• C)7.0
• D)1.0
• E)9.0

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Age Discrimination

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