Calculate the K_a for an Unknown Monoprotic Acid HX,given That $\times$

question 146

Multiple Choice

Calculate the K_a for an unknown monoprotic acid HX,given that a solution of 0.28 M LiX has a pH of 8.90.

• A)2.3 \(\times\)10^-10
• B)3.5 \(\times\) 10^-10
• C)1.8 \(\times\) 10³
• D)8.9 \(\times\) 10^-5
• E)4.4 \(\times\) 10^-5