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The isotope chromium-51 has a half-life of 28 days. if the original sample had a mass of 28.0 grams, what mass of the chromium-51 sample remains after 84 days?

The isotope chromium-51 has a half-life of 28 days. if the original sample had a mass of 28.0 grams, what mass of the chromium-51 sample remains after 84 days?
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The isotope chromium-51 has a half-life of 28 days. if the original sample had a mass of 28.0 grams, what mass of the chromium-51 sample remains after 84 days?

User Ashley Grant
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Check the attached file for the answer.
The isotope chromium-51 has a half-life of 28 days. if the original sample had a mass-example-1
User BrochanGuMor
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