Problem- a sample of c2h2g has a pressure of 82kpa after, Ask an Expert

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Problem- A sample of C2H2(g) has a pressure of 8.2kPa . After some time a portion of it reacts to form C6H6(g). The total pressure of the mixture of gases is then 4.8kPa. Assume the volume and the temperatures do not change.

Find the mole fraction (in percents) of C2H2(g) that has undergone reaction.

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