The dissociative chemisorption of $\mathrm{X}_{2}(\mathrm{g})$ one a metal surface follows langmuir adsorption isotherm. The ratio of the rate constants of the adsorption and desorption processes is $4.0 \mathrm{atm}^{-1}$. The fractional surface coverage of X (adsorbed) at 1.0 atm pressure is ____ (up to two decimal places)
Answer
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