Posted by Anonymous on Thursday, October 9, 2008 at 4:34pm.
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)
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