Which of the Following Would Be the Best Choice for Preparing

question 46

Multiple Choice

Which of the following would be the best choice for preparing a buffer with a pH = 5.0?

• A)a solution of formic acid and sodium formate,K_a = 1.8 \(\times\) 10^-4
• B)a solution of acetic acid and sodium acetate,K_a = 1.8 \(\times\) 10^-5
• C)a solution of hypochlorous acid and sodium hypochlorite,K_a = 3.5 \(\times\) 10^-8
• D)a solution of boric acid and sodium borate,K_a = 5.8 \(\times\) 10^-10
• E)All of these solutions would be equally good choices for making this buffer.

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A statistical method used to model and analyze the relationships between a dependent variable and one or more independent variables.

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