View Single Post
  #3  
Old May 25th, 2005, 06:31
Nick Nick is offline
Junior Member
 
Join Date: Apr 2005
Location: Spain atm
Posts: 21
Nick is on a distinguished road
Default

you only need this:

p*V=n*R*T

p.. pressure
V.. Volume
n.. moles of gas
R.. Gasconstant
T.. temperature

all in SI

n = m/M where as M is g/mol and m is g