Chemistry, 14.07.2019 22:30 pandadude123
After 252 days, a 12.0-g sample of the radioisotope scandium-46 contains only 1.5 g of the isotope. what is the half-life of scandium-46
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Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?
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Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n): a. observation. b. measurement. c. theory. d. natural law. e. experiment.
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After 252 days, a 12.0-g sample of the radioisotope scandium-46 contains only 1.5 g of the isotope....
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