Ask a New Question

Asked by bobby

A sample of unknown gas weighs 2.96 g and occupies 750. mL at 760. mmHg and 100.°C. What is the molar mass of the unknown gas?
13 years ago

Answers

Answered by DrBob222
Use PV = nRT and solve for n = number of mols.
Then n = grams/molar mass. Solve for molar mass
13 years ago

Related Questions

A 3 mg sample of an unknown ideal gas is subjected to an adiabatic and mechanically reversible expa... A 327- ML sample of unknown HCI solution reacts completely with Na2CO3 to form 20.1 g CO2 What was... A 15.0 ml sample of unknown HCL04 solution requires titration with 25.3 ml of 1.200 M NaOH to reach... A 27.4 mL sample of an unknown HClO4 solution requires 45.4 mL of 0.101 M NaOH for complete neutrali... If you run an unknown sample and it is darker than your highest standard on your standard curve, wha... a 10.0mL sample of an unknown H3PO4 solution requirs 112mL of 0.100 M KOH to completely react with t... A 0.167-g sample of an unknown compound contains 0.00278 mol of the compound. Elemental analysis of... A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The init... A 12.9-g sample of an unknown metal at 26.5° is placed in a Styrofoam cup containing 50 g of water a... An unknown gas weighs 34g and occupies 6.7L at 2 atm and 245K. What is the molecular weight?
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use