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Which of the following equations would you use to find the molecular weight of the air in a 25 L scuba tank filled to a pressure of 20,000 kPa at 290 K?
A. P=F/A
B. V₁/T₁=V₂/T₂
C. P₁V₁= P₂V₂
D. PV = nRT​

Answer :

indrawboy

D. PV=nRT

n = PV/RT

mass/MW(molecular weight) = PV/RT

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