At a certain temperature and pressure, one liter of CO2 gas weighs 1.95 g.
What is the mass of one liter of C2H6 gas at the same temperature and pressure?

2 answers

Question:

At a certain temperature and pressure, one liter of CO2 gas weighs 1.95 g.
What is the mass of one liter of C2H6 gas at the same temperature and pressure?

The mass of 1 L of C₂H₆ at the same temperature and pressure with 1 L of CO₂ gas is 1.33 gFrom the ideal gas, we understood that the same temperature and pressure different gases have the same number of mole.From the above statement, we can say that 1.95 g of CO₂ will have the same number of mole as C₂H₆.Now, we shall obtain the number of mole in 1.95 g of CO₂. This can be obtained as follow:Mass of CO₂ = 1.95 gMolar mass of CO₂ = 12 + (2×16) = 44 g/molMole of CO₂ =?Mole = mass / molarMole of CO₂ = 1.95 / 44Mole of CO₂ = 0.0443 moleFinally, we shall determine the mass of C₂H₆ at the same temperature and pressure with CO₂Mole of C₂H₆ = Mole of CO₂ = 0.0443 moleMolar mass of C₂H₆ = (12×2) +(1×6) = 30 g/Mass of C₂H₆ =?Mass = mole × molar massMass of C₂H₆ = 0.0443 × 30Mass of C₂H₆ = 1.33 gTherefore, the mass of 1 L of C₂H₆ at the same temperature and pressure with 1 L of CO₂ gas is 1.33 gLearn more: https://brainly.com/question/16998374

answer from Eduard22sly

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Answers #2

Answer:1.332 g.Explanation:We can use the general law of ideal gas: PV = nRT.where, P is the pressure of the gas in atm.V is the volume of the gas in L.n is the no. of moles of the gas in mol.R is the general gas constant,T is the temperature of the gas in K.At the same T and P and constant V (1.0 L), different gases have the same no. of moles (n):∴ (n) of CO₂ = (n) of C₂H₆∵ n = mass/molar mass∴ (mass/molar mass) of CO₂ = (mass/molar mass) of C₂H₆mass of CO₂ = 1.95 g, molar mass of CO₂ = 44.01 g/mol.mass of C₂H₆ = ??? g, molar mass of C₂H₆ = 30.07 g/mol.∴ mass of C₂H₆ = [(mass/molar mass) of CO₂]*(molar mass) of C₂H₆ = [(1.95 g / 44.01 g/mol)] * (30.07 g/mol) = 1.332 g.

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