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Chemistry, 28.07.2019 12:50 jgpjessi1854
The half-life of strontium-90 is 25 years. how much strontium-90 will remain 100 years if the initial amount is 4.0 g
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The half-life of strontium-90 is 25 years. how much strontium-90 will remain 100 years if the initia...
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