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Chemistry, 27.12.2019 00:31 maleah12x

Aradioactive element of mass 20.0g was isolated and stored. it was discovered after 40days that 2.5g of the element remained undecayed. calculate the half life of the element.

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Aradioactive element of mass 20.0g was isolated and stored. it was discovered after 40days that 2.5g...
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