Question

A sample of 12.0 g of gas occupies 4.48 L at 273 K and 1.00 atm. What is its molar mass?

Answer 1

Answer

Molar mass of the gas is 60.006g/mol

Explanation

Answer Molar Mass of the gas y 60,006 g/mol Explanchise We are being asked to calculate the Molar Mass of a sample of gas which weighs 12.0g and occupies 4.48L at 273 K and latm Pressure. Here We we Ideal gay No. of Moles & gey and here equertion for fineling Maar mass The Ideal gas quation, - Pvz ART Where . Pz Pressure of the gas = latm Uz volume of the gal = 4,482 Rz Universal gas Constanta 0,082057 Liat mk most Tz Temperature of the gu= 273K nz no-f Moles of the gas, 8 finding Mosf Moles nz Pv Substitut nel RT lnquention, latrox 4.48k 0.082057 Xiaom, ktmol x 273 0, 19998 moles molas Mass can be found from No. of Mole, as. Given Mass No of motor Mays of sample=120g 12 og 0.19998 mot - 60.006 g/mol C Molas Mass &