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

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asked Nov 8, 2023 215k views

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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

Physics
high-school

Orrymr asked

by Orrymr

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5 votes

D. PV=nRT

n = PV/RT

mass/MW(molecular weight) = PV/RT

Florian Treml answered Nov 13, 2023

by Florian Treml

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