2. Below are the experimental data on nitrogen adsorption on TiO2 (rutile) at 75 K:
P*10-2, Pa 60.94 116.41 169.84 218.65 275.25
A, mol/kg 0.367 0.417 0.467 0.512 0.567
Plot a graph corresponding to the linear BET equation. Find the constants A and C. Calculate the specific surface area of ​​the adsorbent. The saturated vapor pressure of nitrogen at the specified temperature Ps = 78300 Pa, the area occupied by one nitrogen molecule is S0 = 0.16 nm2.

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