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+// Ex18_6 Page:356 (2014)
+clc;clear;
+m_U232 = 232.037131; // Atomic mass of U-232, u
+m_He4 = 4.002603; // Atomic mass of He-4, u
+KE_alpha = 5.32; // Kinetic energy of alpha-particle, MeV
+m_Th228 = m_U232 - m_He4 - KE_alpha/931.5; // Atomic mass of Th-228, u
+printf("\nThe atomic mass of Th-228 = %10.6f u", m_Th228);
+
+// Result
+// The atomic mass of Th-228 = 228.028817 u
+// The answers vary due to round off error \ No newline at end of file