[Single-digit Integer] A 5.0 l box contains 28.4 g of mixture of gases C_x H_8 and C_x H_10. The pre — States of Matter and Gaseous State Chemistry Question

Question

[Single-digit Integer] A 5.0 l box contains 28.4 g of mixture of gases C_x H_8 and C_x H_10. The pressure of the gas mixture at 300 K is 2.46 atm. The analysis of the gas mixture shows that carbon is 84.5%, by mass. The value of x is