Answer to Question #346315 in General Chemistry for jhanna de leon

General Chemistry

Question #346315

2. If a sample of helium gas has a volume of 120 mL and a pressure of 850 mm Hg, what is the new

volume if the pressure is changed to 425 mm Hg ?

Expert's answer

P₁V₁= P₂V₂

V₂ = P₁V₁/ P₂

V₂ = (120 mL * 850 mm Hg) / 425 mm Hg = 240 mL

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