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प्रश्न
Calculate the weight of one molecule of oxygen .
[Avogadro's number = 6 x 1023, O = 16 ]
उत्तर
Weight of 6 x 1023 molecules of oxygen = 32g
Weight of 1 molecule of oxygen = 32/ 6 x 1023 = 5.33 x 1023g.
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| Species Property | H2O | CO2 | Na atom | MgCl2 |
| No. of moles | 2 | - | - | 0.5 |
| No. of particles | - | 3.011×1023 | - | - |
| Mass | 36g | - | 115 g | - |
