Equilibrium chemistry

Chemistry
Tutor: None Selected Time limit: 1 Day

For the reaction

H2(g) + I2(g) ⇀↽ 2 HI(g)

at 425◦C, calculate [HI], given [H2] = [I2] =

0.000664 mol/L and K = 54.3.

Answer in units of mol/L

Jan 12th, 2015

K=[HI]^2/[H2][I2]

So [HI]^2=K[H2][I2]=54.3x0.000664x0.000664

     [HI]=54.3^0.5x0.000664

          =7.37x0.000664

          =4.89x10^-3 mol/L

Jan 12th, 2015

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Jan 12th, 2015
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