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5. The pH of a 0.30M solution of a weak acid is 2.67. What is the Ka for this acid? A) 2.1104 C) 1.5104 E)

5. The pH of a 0.30M solution of a weak acid is 2.67. What is the Ka for this acid? A) 2.1104 C) 1.5104 E) none of the above B) 4.4104 D) 6.6104 (Answer: E) 6. How do you prepare a 1L of a 0.5M Acetate (pKa=4.76) buffer at pH5.3

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