| Book Edition | 8th Edition |
| Author(s) | Brown |
| ISBN | 9781305580350 |
| Publisher | Cengage Learning |
| Subject | Chemistry |
Calculate the nominal mass of each ion. Unless otherwise indicated, use the mass of the most abundant isotope of each element.
Calculate the nominal mass of each ion. Unless otherwise indicated, use the mass of the most abundant isotope of each element.
Calculate the nominal mass of each ion. Unless otherwise indicated, use the mass of the most abundant isotope of each element.
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When two or more atoms has the same atomic number and different mass numbers, it is said to be an isotope in nature.
Nominal mass of molecular ion is the sum of masses of individual constituent elements ( the most abundant isotopic mass) multiplied by the number of atoms rounded to the nearest integer value . Isotope of bromine is 81Br.
Therefore the value of nominal mass of the molecular ion is the sum of masses of one C , three H and the isotope of Br.
As Carbon has atomic mass 12.0 g , H has atomic mass 1.00 and the molar mass of Br isotope is given as 81.0.
Thus , the nominal mass of the molecular ion is 96 .0g.
96.0 g
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