At STP, if a mixture of Methane (C H_{4}) and Arg on (A r) has a density of 1.5 {g} \cdot {L}^{-1}, then the mole fraction of methane in the mixture is _______ [ Given at. mass of A r=40 ]

AP EAPCET 6 Sep 2021 Shift 1 Paper

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At STP, if a mixture of Methane (CH4) and Arg on (Ar) has a density of 1.5g⋅L−1, then the mole fraction of methane in the mixture is _______ [ Given at. mass of Ar=40 ]

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