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प्रश्न
How many grams of CO2 is present in 0.1 mole of it?
उत्तर
1 mole of CO2 weighs = 12 + (16 x 2) = 44 g
∴ 0.1 mole of CO2 has mass = 0.1 x 44 = 4.4 g
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संबंधित प्रश्न
Choose the correct answer from the options given below:
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A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure.
(a) Find the number of moles of hydrogen present
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(c) If the number of molecules of hydrogen in the cylinder is X, calculate the number of CO2 molecules in the cylinder with the same conditions of temperature and pressure.
(d) State the law that helped you to arrive at the above result.
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Fill in the missing data in the Table
| Species Property | H2O | CO2 | Na atom | MgCl2 |
| No. of moles | 2 | - | - | 0.5 |
| No. of particles | - | 3.011×1023 | - | - |
| Mass | 36g | - | 115 g | - |
