At a particular temperature, a 3.0 L flask contains 3.0 mol HI, 4.0 mol H2 and 0.25 mol I2 at equilibrium. Calculate K at this temperature for the reaction given below. H2(g) + I2(g)  2 HI(g)

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At a particular temperature, a 3.0 L flask contains 3.0 mol HI, 4.0 mol H2 and 0.25 mol I2 at equilibrium. Calculate K at this temperature for the reaction given below.

H2(g) + I2(g)  2 HI(g)
Expert Solution
Step 1: Calculation of the concentration of all species at equilibrium

The given value of all species at the equilibrium is :

[I2] = given moles of I2 / volume = 0.25 mol / 3.0 L = 0.083 M

[H2] = given moles of H2 / volume = 4.0 mol / 3.0 L = 1.3 M

[HI] = given moles of HI / volume = 3.0 mol / 3.0 L = 1.0 M

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