Radium-226 decays by alpha emission to radon-222, a noble gas.What volume of pure radon-222 at 23 degrees C and 785 mmHg could beobtained from 543.0 mg of radium bromide, RaBr2, in a period of20.2 years? The half life of radium 226 is 1602 years.

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Lelia LubowitzLv2

17 Dec 2019

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I need help with 15 and 18 . Could you please give step by step explanations.