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The equilibrium, concentration of H (2),...

The equilibrium, concentration of `H _(2), I _(2), ` and HI are respectively `5. 0 , 3. 0` and `17 mol L ^(-1)` . What will be the value of `K _(c)` for the reaction `H _(2) + I _(2) ` `rarr` `2HI` ?

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For the reactin , `H_(2)(g) + I_(2)(g) hArr 2HI(g)`
equilibrium constant, `K_(c) = ([HI]^(2))/([H_(2)][I_(2)]) = ((17 mol L^(-1))^(2))/((5.0 mol L^(-1))(3.0 mol L^(-1))) = 19.27`
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