Ten grams of 57Co kept in an open container beta decays with a half-life of 270 days.
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The total weight inside the container after 540 days would be 10 grams due to mass conservation.
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Answer:
10 days
Explanation:
Cobalt undergoing beta decay . i.e electron is being produced. But an electron has very less mass as compared to the Co−atom. Therefore after 570 days even through the atom undergo large beta decay, the weight of the material in the container will be nearly 10g.
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