6.1. Show that methane adsorption on mica obeys the Langmuir equation, and find graphically the constants of this equation from the following data:
Pressure, P * 10–5, Pa 19.2 15.2 1.6 1.2 0.4
Adsorbed amount, mm3 / cm2 65.0 59.9 11.7 11.2 4.0

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