Chemistry, 16.12.2020 15:10 sassyunicorngir

The half-life of radon-222 is 3.8 days. Calculate how long a 48g sample of radon will last before it contains only 3g of radon and stops being effective (2 marks)

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The half-life of radon-222 is 3.8 days. Calculate how long a 48g sample of radon will last before it...

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