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Gallium-68 decays by positron emission, with a half-life of 68.3...

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Introduction: 8. Radioactive Decay  
                        
More Details: Gallium-68 decays by positron emission, with a half-life of 68.3 min. How much 68Ga remains from a 10.0 mg sample after 683 min?
            
            1.0 mg
            1.0 X 10-10 mg
            9.8 X 10-3 mg
            2.2 X 10-2 mg
            6.1 X 10-7 mg
asked 1 year ago by anonymous

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