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प्रश्न
Calculate the molar mass of the following substance:
Nitric acid, HNO3
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उत्तर
Molar mass of nitric acid, HNO3 = atomic mass of H + atomic mass of N + 3 × atomic mass of O
= (1 + 14 + 3 × 16) u
= (1 + 14 + 48) u
= 63 u
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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 | - |
