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Consider two sets of mixture of gases A and B having the same specific volume of the mixture and having total pressures PA and PB respectively. If TA = 3TB and molecular mass of A MA = 1/2 MB, determine the ratio of PA/PB.

Consider two sets of mixture of gases A and B having the same specific volume of the mixture and having total pressures PA and PB respectively. If TA = 3TB and molecular mass of A MA = 1/2 MB, determine the ratio of PA/PB. Correct Answer 6

Assume that the gases follow the perfect gas equation. P = R’T/MVmix where Vmix is the specific volume of the mixture and R’ is the universal gas constant. So PA/PB = (TA/TB) x (MB/MA) = 3 x 2 = 6.

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