Assess the bubble point pressure of a mixture of 5 mol% Methane, 55 mol% Ethane, and 40 mol% n-Butane at a temperature of 220 K. B In (p:(T)) = A Antoine's equation T + mmHg, K A Methane 15.22 Ethane 15.66 n-Butane 15.68 B T, at 1 atm T, at 3 atm 898 -7.16 112 K 127 K 1511 -17.16 185 K 208 K 2155 -34.42 -34.42 273 K 306 K