A mixture of helium and carbon dioxide gases is maintained in a 6.63 L flask at a pressure of 3.68 atm and a temperature of 83 °C. If the gas mixture contains 0.756grams of helium, the number of grams of carbon dioxide in the mixture is g.
the number of grams in the mixture is 6.63
pressure at 3.68 atm
not really you are making mistakes yourself this is the right way.
The number of moles of He can be calculated from the number of grams of He and the molar mass:
The number of moles of CO2 can then be calculated from the total number of moles:nCO2 = ntotal - nHe = 0.8352 - 0.1889 = 0.6463 mol CO2And finally, the number of grams of CO2 can be calculated:
ok i will correct my source then, i thought that the way its done.
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