Chemistry
Chemistry, 02.12.2020 23:30, joooosshhhh

9. Birds today have bones with 10mg of Ca-50. A bird bone is found with only 1.25mg of Ca-50 in it. If the ½ life of Ca-50 is 4 yrs, how old is the bone?

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9. Birds today have bones with 10mg of Ca-50. A bird bone is found with only 1.25mg of Ca-50 in it....

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