A 1.50 L gas sample at 745 mm Hg and 25.0 oC contains
Chapter 19, Problem 93E(choose chapter or problem)
A 1.50 L gas sample at 745 mm Hg and \(25.0\ ^{\circ}\mathrm{C}\) contains 3.55% radon-220 by volume. Radon-220 is an alpha-emitter with a half-life of 55.6 s. How many alpha particles are emitted by the gas sample in 5.00 minutes?
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