500.0 mL of a gas is collected at 745.0 mm Hg. what what will the volume be at standard pressure

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Holloway

Chemistry

6 May, 20:16

500.0 mL of a gas is collected at 745.0 mm Hg. what what will the volume be at standard pressure

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Shadow · Answer 1

This is an application of Boyle's law:

P₁V₁ = P₂V₂. we don't have to convert volume and pressure to standard forms. we can even use the pressure with mmHg

1 atm = 760 mmHg

V₂ = P₁V₁ / P₂ = 745 x 500 / 760 = 490 ml

Note that here we assume constant temperature