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प्रश्न
What name is given to the amount of substance containing this number of atoms ?
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उत्तर
A substance containing 6.022 × 1023 number of atoms is called 1 mole of that substance.
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संबंधित प्रश्न
Convert into mole.
12 g of oxygen gas
One of the following elements has an atomicity of ‘one’. This element is :
What is a group of 6.022 × 1023 particles known as ?
What name is given to the amount of substance containing 6.022 × 1023 particles(atoms,molecules or ions) of a substance ?
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
Calculate the number of particles in 0.1 mole of any substance.
Calculate the number of moles of CO2 which contain 8.00 g of O2
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 |
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 | - |
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
magnesium oxide
