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At what pressure a gas, which occupies 100 mL at a pressure of 720 mm

At what pressure a gas, which occupies 100 mL at a pressure of 720 mm, will occupy a volume of 84 mL

Options

(a) 820.20 mm
(b) 736.18 mm
(c) 857.14 mm
(d) 784.15 mm

Correct Answer:

857.14 mm

Explanation:

As P₁V₁ = P₂V₂;
V₂ = 100 x 720 / 84 = 857.14 mm.

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