Problem: A sample of gas has a mass of 0.555 g . Its volume is 118 mL at a temperature of 86 oC and a pressure of 742 mm Hg.Find the molar mass of the gas.

FREE Expert Solution

We are asked to find the molar mass of the gas. 

A sample of gas has a mass of 0.555 g . Its volume is 118 mL at a temperature of 86 oC and a pressure of 742 mm Hg.


Given: 

m = 0.555 g

T= 86°C +27.15 = 359.15 K

P = 742 mmHg = 0.976 atm

V = 118 mL = 0.118 L


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Problem Details
A sample of gas has a mass of 0.555 g . Its volume is 118 mL at a temperature of 86 oC and a pressure of 742 mm Hg.

Find the molar mass of the gas.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Ideal Gas Law Molar Mass concept. If you need more Ideal Gas Law Molar Mass practice, you can also practice Ideal Gas Law Molar Mass practice problems.