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e. Explain with examples what ismeant by a 'mole' of a substance.57 |
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Answer» One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023).Example : Thus, for example, 1 mole of MgBr2is 1 gram-molecule of MgBr2but 3 gram-atoms of MgBr2. |
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