posted by Anonymous .
What is the density (in g/L) of hydrogen gas at 18.0 C and a pressure of 1670 psi?
You know the density of H2 at sTP...one mole (2grams) in 22.4 liters.
density at STP is 2/22.4 g/L
so....think this out...
density2=densitySTP*1670PSI /14.6PSI *(273)/(273+18)