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Chemistry

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A 1.50- gas sample at 735 and 25.0 contains 5.00 radon-220 by volume. Radon-220 is an alpha-emitter with a half-life of 55.6 .
How many alpha particles are emitted by the gas sample in 4.00 minutes?

  • Chemistry -

    You don't have units for most of the numbers in the problem.

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