### What is the partial pressure of n2 in the mixture

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A rigid tank is divided into two compartments by a partition. One compartment contains 3 kmol of N2 at 600 kPa and the other compartment contains 7 kmol of CO2 at 200 kPa. Now the partition is removed, and the two gases form a homogeneous mixture at 300 kPa. The partial pressure of N2 in the mixture is

(a) 75 kPa

(b) 90 kPa

(c) 150 kPa

(d ) 175 kPa

(e) 225 kPa

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