A 792 mg sample of a gas containing only sulfur and oxygen occupies a volume of 372 mL at 54^$\circ$C and 678 mmHg. Identify the gas in the sample. (R = 0.08206 L*atm/K*mol) A) SO B) SO₂ C) SO₃ D) S₂O E) S₂O₂

Question

Quizplus · Accepted Answer

Using the ideal gas law, calculate the molar mass of the gas. Convert the pressure to atm and volume to liters, then solve for n (moles). The molar mass is the mass of the sample divided by the number of moles. The calculated molar mass matches that of SO₂.

A 792 Mg Sample of a Gas Containing Only Sulfur ∘\circ∘

A 792 Mg Sample of a Gas Containing Only Sulfur $\circ$