Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100.cm³ at 95°C, and 1,000.mmHg. A)0.19 g/mol B)35.3 g/mol C)70.9 g/mol D)137 g/mol E)384 g/mol

Question

Quizplus · Accepted Answer

To find the molar mass, use the ideal gas law: PV = nRT. Convert the volume to liters (0.1 L), temperature to Kelvin (368 K), and pressure to atm (1.316 atm). Calculate moles (n) using n = PV/RT. Then, molar mass = mass/n. The calculation gives approximately 137 g/mol.

Determine the Molar Mass of Freon-11 Gas If a Sample