Chemistry, 20.03.2022 14:00 1r32tgy5hk7
A rock has a mass of 40 grams. When analyzed the rock is found to contain 10 grams of radioactive material 30 grams of a stable product. How many half-lives old is the rock?
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A rock has a mass of 40 grams. When analyzed the rock is found to contain 10 grams of radioactive ma...
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