The isotope C-13 has an atomic mass of 13.007491 amu. What is the mass defect for the formation of C-13 from it's constituent particles? (known masses are: electron = 0.00054858 amu, proton = 1.00727647 amu, neutron mass = 1.008665) A) .1001143 B) 0.968228 amu C) 0.10286147 amu D) 0.1015028 amu

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