Ask a New Question

Asked by Toni Jones

A sample of a gas weighs 4.526g and has a volume of 890.9 mL at 645.0 torr and 29(degrees C). What is its molar mass?


I just need help setting this up!
14 years ago

Answers

Answered by wini
First You convert 645.0 torr to atm, and also mL to L. You use PV=nRT, to find the number of moles.
Then you use the number of moles to get the molar mass. mol= mass/molar mass
14 years ago

Related Questions

If 12 mL of a sample B weighs 4 g, the density of B is what? A sample of a gas weighs 4.526g and has a volume of 890.0 mL at 645.0 torr and 29(degrees C). What i... A sample of magnesium weighs 10 grams. How many moles of magnesium are there in the sample? 0.4 m... A sample of unknown gas weighs 2.96 g and occupies 750. mL at 760. mmHg and 100.°C. What is the mola... A sample of gas weighs 2.832g and has a volume of 1010.0 ML at 775.0 torr and 31.0 degrees Celsius w... Susie weighs 100lbs. Sam weighs 150. The seesaw is 20ft long. The seat on one side only is movable i... ram weighs 45kg and mary weighs m kg. write an expression for their combined weight. An ore sample weighs 15.00 N in air. When the sample is suspended by a light cord and totally immers... Paul weighs 36 kg. Felix weighs half as much as Paul, and Frank weighs 4 kg more than Felix. What i...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use