What Is the PH of a 0 $\times$ 10^-5 at 25°C $\times$

question 91

Multiple Choice

What is the pH of a 0.28 M solution of sodium propionate,NaC₃H₅O₂,at 25°C? (propionic acid,HC₃H₅O₂,is monoprotic and has a K_a = 1.3 $\times$ 10^-5 at 25°C..K_w = 1.01 $\times$ 10^-14 )

• A) 6.26
• B) 4.83
• C) 11.10
• D) 7.74
• E) 9.17

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