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cobalt-62 is a radionuclide with a half-life of 1.5 minutes. what fraction of an initial sample of cobalt-62 will remain after 6 minutes?
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How are isotopes of the same chemical element alike? how are they different?
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Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
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Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2
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cobalt-62 is a radionuclide with a half-life of 1.5 minutes. what fraction of an initial sample of c...
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