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Chemistry, 12.10.2020 21:01 uc22912

6. Element Z has a mass of 430g. Scientists determined it to have a 12 life of 5 years. How many grams of element Z will remain after 15 years?

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6. Element Z has a mass of 430g. Scientists determined it to have a 12 life of 5 years. How many gr...
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