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प्रश्न
Match the following.
| 1. | 8 g of O2 | - | 4 moles |
| 2. | 4 g of H2 | - | 0.25 moles |
| 3. | 52 g of He | - | 2 moles |
| 4. | 112 g of N2 | - | 0.5 moles |
| 5. | 35.5 g of Cl2 | - | 13 moles |
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उत्तर
| 1. | 8 g of O2 | - | 0.25 moles |
| 2. | 4 g of H2 | - | 2 moles |
| 3. | 52 g of He | - | 13 moles |
| 4. | 112 g of N2 | - | 4 moles |
| 5. | 35.5 g of Cl2 | - | 0.5 moles |
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संबंधित प्रश्न
Choose the correct answer from the options given below:
The ratio between the number of molecules in 2g of hydrogen and 32g of oxygen is:
[Given that H = 1, O = 16]
Fill in the following blanks :
64 g of oxygen gas contains ................ moles of oxygen atoms.
Calculate the weight of one molecule of oxygen.
[Avogadro’s number = 6 × 1023, O = 16 ]
Calculate the mass of 0.1 mole of carbon dioxide.
[Atomic mass: S = 32, C = 12 and O = 16 and Avogadro's number = 6 × 1023]
How many grams of CO2 is present in 0.1 mole of it?
Calculate the mass of 0.1 mole of the following:
Na2SO4.10H2O
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
The molecular formula for elemental sulphur is S8.In a sample of 5.12 g of sulphur:
How many molecules and atoms are present?
How many grams are there in the following?
2 moles of the hydrogen molecule, H2.
How many grams are there in the following?
4 moles of the phosphorous molecule, P4
Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 g. Molar atomic mass of magnesium is 24g mol–1.
