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Nuclear binding energy and binding energy per nucleon

Problem

A carbon (start subscript, 6, end subscript, start superscript, 12, end superscript, start text, C, end text) nucleus has a mass of 11, point, 99671, space, start text, u, end text.
What is the binding energy of the start subscript, 6, end subscript, start superscript, 12, end superscript, start text, C, end text nucleus?
Note: (i) Mass of a proton, m, start subscript, start text, P, end text, end subscript, equals, 1, point, 00728, space, start text, u, end text, mass of a neutron, m, start subscript, start text, N, end text, end subscript, equals, 1, point, 00866, space, start text, u, end text,
(ii) 1, space, start text, u, end text, equals, 931, point, 5, space, start text, M, e, V, end text, slash, c, squared.
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