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Barium-142 is an beta emitter with a half-life of 11.0 min. If we start with 2.500 g of 142Ba, what mass of132Ba will remain after 88.0 min?

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Barium-142 is an beta emitter with a half-life of 11.0 min. If we start with 2.500 g of 142Ba, what mass of132Ba will remain after 88.0 min?

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Step 1

The number of half-lives (n)...

88.0min8.0min
n=
11.0min
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88.0min8.0min n= 11.0min

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