Science Help Online Worksheet 9-2h Changing Volume fo a Gas at STP to Number of Moles

 
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Change the following volume of gases at STP to moles with the formula:
  # of moles = Total Volume of a gas at STP / molar volume of a gas (22.4 L)

1. How many moles does 44.8 L of Hydrogen gas at STP represent?

 


 

 

2.  A sample of Oxygen gas occupies 6.2 L at STP.   How many moles does that represent?
3.  How many moles of gas would occupy 112 dm3 at STP?


 


 

4. How many moles of neon would occupy 450 cm3 at STP?

 


Please forward all questions, comments and criticisms to Gregory L. Curran.
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Last Modified March 18, 2004