1.

A_binary_mixture_of_oxygen_and_nitrogen_with_partial_pressures_in_the_ratio_0.21_and_0.79_is_contained_in_a_vessel_at_300_K._If_the_total_pressure_of_the_mixture_is_1_*_10_5_N/m2,_find_the_average_molecular_weight_of_the_mixture$

A. 28.84
B. 29.84
C. 30.84
D. 31.84
Answer» B. 29.84


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