What is the volume of 5.60 g of O₂ at 7.78 bar and 415 K? A) 1.53 L B) 565 L C) 24.5 L D) 25.0 L E) 0.776 L

Question

Quizplus · Accepted Answer

The volume can be calculated using the ideal gas law equation: PV = nRT. First, we need to calculate the moles of O₂ using its molar mass: molar mass of O₂ = 207.3 g/mol moles of O₂ = 5.60 g / 207.3 g/mol = 0.027 moles Now we can plug in the values into the ideal gas law equation: V = (nRT) / P V = (0.027 moles x 0.0831 L·bar·K⁻¹·mol⁻¹ x 415 K) / 7.78 bar V = 0.776 L Therefore, the best choice is E.

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