When 25 $\times$ 10^-2 mol of Nicotinic Acid (A Monoprotic Acid)is Dissolved in Acid)is

question 83

Multiple Choice

When 2.5 $\times$ 10^-2 mol of nicotinic acid (a monoprotic acid) is dissolved in 350 mL of water,the pH is 3.05.Calculate the K_a of nicotinic acid.

• A)1.3 \(\times\)10^-2
• B)1.1 \(\times\) 10^-5
• C)7.1 \(\times\) 10^-2
• D)3.3 \(\times\) 10^-5
• E)none of these

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