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| Q.4 | Which of the following relation is correct? | |
| Ans | 1. Number of atoms = (given mass/molar mass) × Avogadro number | |
| 2. Number of atoms = given mass × molar mass × Avogadro number | ||
| 3. Number of atoms = (molar mass/given mass) × Avogadro number | ||
| 4. Number of atoms × Avogadro number = given mass/molar mass |
Correct Ans: 1
