what is defetive molar mass?
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The molar mass of sodium oxide is 61.98 g/mol: 2(Na) + 1(O) = 22.99 g/mol + 16 g/mol = 61.98 g/mol. 4. The molar mass of calcium sulfide is 72.14 g/mol: 1(Ca) + 1(S) = 40.08 g/mol + 32.06 g/mol = 72.14 g/mol. 5.
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Explanation:
Calculation of Mass Defect The mass defect can be calculated using Equation 10-1. In calculating the mass defect, it is important to use the full accuracy of mass measurements because the difference in mass is small compared to the mass of the atom. Rounding off the masses of atoms and particles to three or four significant digits prior to the calculation will result in a calculated mass defect of zero.
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