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Question 2 2/2 pts If the pka of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.89, which of the following is TRUEQuestion 3 1.33/2 pts Acid #1 has a pka of 3.15 Acid #2 has a pka of 3.65 Acid #3 has a pka of 4.23 Acid #4 has a pKa of 4.79Question 4 2/6 pts You have two acid substances, A and B. You believe A is a weak acid and B is a strong acid. To find out if

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Answer #1

Solution for question 2 has been provided

We know that pH = pka + log [salt] [Acid] pH = 3.89 pka - 3.74 3.89 = 3.74 + log o {salt Acid] log (salt) = 3.89 - 3.74 = 0.1

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