E) 1.1 atm 4. 25) A gas sample contains 4.0 g of CH4 and 2.0 g...

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Molar mass of Chy z 16 g/mol Molar mass of He = 4.0g/mol Moles mass Molar Mass Here we have CHY - 4-0 g He = 20g i moles of C

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