Accumulation of lactic acid (HC₃H₅O₃), a monobasic acid in tissues leads to pain and a feeling of fatigue. In a 0.10 M aqueous solution, lactic acid is 3.7% dissociated. The value of dissociation constant, Kₐ, for this acid will be:
A
1.4 × 10⁻⁴
B
1.4 × 10⁻³
C
3.7 × 10⁻⁴
D
2.8 × 10⁻⁴

Question

Accumulation of lactic acid (HC₃H₅O₃), a monobasic acid in tissues leads to pain and a feeling of fatigue. In a 0.10 M aqueous solution, lactic acid is 3.7% dissociated. The value of dissociation constant, Kₐ, for this acid will be:

A

1.4 × 10⁻⁴

B

1.4 × 10⁻³

C

3.7 × 10⁻⁴

D

2.8 × 10⁻⁴

Accepted Answer

1.4 × 10⁻⁴

Answer

1.4 × 10⁻³

Answer

3.7 × 10⁻⁴

Answer

2.8 × 10⁻⁴

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