A Monoprotic Weak Acid When Dissolved in Water Is 0 $\times$

question 122

Multiple Choice

A monoprotic weak acid when dissolved in water is 0.75% dissociated and produces a solution with a pH of 3.11.Calculate the K_a of the acid.

• A)7.6 \(\times\) 10^-3
• B)1.0 \(\times\)10^-1
• C)5.9 \(\times\) 10^-6
• D)Need to know the initial concentration of the acid.
• E)None of these.

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