Consider the reaction. mc026-1.jpg at equilibrium at 600 k, the concentrations are as follows. [hf] = 5.82 x 10-2 m [h2] = 8.4 x 10-3 m [f2] = 8.4 x 10-3 m what is the value of keq for the reaction expressed in scientific notation?

2.1 x 10⁻².

Explanation:

Keq = [H₂][F₂] / [HF]²,

Keq = [H₂][F₂] / [HF]² = [8.4 x 10⁻³][8.4 x 10⁻³] / [5.82 x 10⁻²]² = 2.1 x 10⁻².

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