Lactic acid, which builds up in muscle tissue upon strenuous exercise, is partia
ID: 892398 • Letter: L
Question
Lactic acid, which builds up in muscle tissue upon strenuous exercise, is partially dissociated in aqueous solution:What is the value of Kc if the extent of dissociation in 0.100 M lactic acid is 3.68% at 25 degrees Celsius? Lactic acid, which builds up in muscle tissue upon strenuous exercise, is partially dissociated in aqueous solution:
What is the value of Kc if the extent of dissociation in 0.100 M lactic acid is 3.68% at 25 degrees Celsius? Lactic acid, which builds up in muscle tissue upon strenuous exercise, is partially dissociated in aqueous solution:
What is the value of Kc if the extent of dissociation in 0.100 M lactic acid is 3.68% at 25 degrees Celsius? Lactic acid, which builds up in muscle tissue upon strenuous exercise, is partially dissociated in aqueous solution:
What is the value of Kc if the extent of dissociation in 0.100 M lactic acid is 3.68% at 25 degrees Celsius?
Explanation / Answer
LAH ---> LA- + H+
c 0 0
c-ca ca ca
given: c=0.1 M and a = 0.0368
Kc = (ca)^2/ (c-ca)
= c*a^2 / (1-a)
= 0.1 * (0.0368)^2 / (1-0.0368)
= 1.41*10^-4
Answer: 1.41*10^-4
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