Homework Help Forum: chemistry

Posted by kelsey on Tuesday, November 3, 2009 at 9:24am.

What is the density (in g/L) of hydrogen gas at 23.0 degrees Celsius and a pressure of 1670 psi?

• chemistry - DrBob222, Tuesday, November 3, 2009 at 11:13am

  Use PV = nRT to calculate n, number of moles H2 gas. Don't forget to change 1670 psi to atmospheres and temperature to Kelvin. Use 1 L for volume. Convert n to mass (moles = grams/molar mass). Then use mass = volume x density to determine density.

  
  

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