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Q 2657091884.     A 1 L gas mixture of CO, `CO_2` and `N_2` was mixed with 1 L `O_2` and allowed to burn completely. The product gas mixture, when passed subsequently through KOH solution and alkalline pyragallol solution, suffered a total contraction of 1.6 L. On the other hand, if the product gas mixture was mixed with excess of CO as and again allowed to burn, the new product mixture suffered a contraction of 2.3 L on passing thmunh KOH solution. Find the volume % of CO in the initial mixture. Report your answer as 'Y' where Y = (Volume % of CO)/10.
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