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प्रश्न
Fill in the blank
One gram atom of an element contains ______ atoms.
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उत्तर
One gram atom of an element contains quantity of element which weights equal to its gram atomic mass atoms.
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संबंधित प्रश्न
If one mole of carbon atoms weighs 12 gram, what is the mass (in gram) of 1 atom of carbon?
Calculate the number of moles in 12g of oxygen gas.
How many moles of O2 are there in 1.20 × 1022 oxygen molecules ?
If 16 g of oxygen contains 1 mole of oxygen atoms, calculate the mass of one atom of oxygen.
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
What volume of dinitrogen oxide is produced at the same time as 8.96 L of steam?
Explain the term:
Molar volume
Calculate the number of particles in 0.1 mole of any substance.
Correct the statement, if required.
One mole of chlorine contains 6.023 x 1010 atoms of chlorine.
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?
Calcium carbonate
