Answer
.0184
Work Step by Step
2HI(g) ⇌ H2(g) + I2(g)
[HI] = 3.53 x 10^-3 [I2] = 4.79 x 10^-3 [H2] = 4.79 x 10^-3
kc= [I2][H2]/[HI]^2
= (4.79 x 10-4M)^2/(3.53 x 10-3M)^2 = .0184
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