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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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संबंधित प्रश्न
Calculate the molar mass of the following substance:
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A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure
1) Find the number of moles of hydrogen present.
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3) If the number of molecules of hydrogen in the cylinder is X, calculate the number of CO2 molecules in the cylinder under the same conditions of temperature and pressure.
4) State the law that helped you to arrive at the above result.
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Correct the statement, if required.
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