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Which equation would you use to find the molecular weight of the air in a 25 L scuba tank filled to a pressure of 20000 kPa at 290 K?
Wiki User
∙ 13y ago
pv=nrt. (r=8.314)
then once you have found the moles (n) using that formula, you need to know the mass and from there the molar mass will be the mass divided by n.
Wiki User
∙ 13y ago
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