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Chemistry, 09.12.2019 23:31 Wintersavannah
If we start with 1.000 g of strontium-90, 0.805 g will remain after 9.00 yr. this means that the of strontium-90 is yr. a. 28.8b. 30.9c. 35.4d. 32.2
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If we start with 1.000 g of strontium-90, 0.805 g will remain after 9.00 yr. this means that the of...
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