riverbby5366 riverbby5366

22-02-2024
Chemistry

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The half-life of a radioactive kind of praseodymium is 17 minutes. If you start with 56 grams of it, how much will be left after 34 minutes?
a. 28 grams
b. 14 grams
c. 7 grams
d. 3.5 grams

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