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प्रश्न
Fill in the following blanks :
A mole represents an .............. number of particles of a substance.
उत्तर
A mole represents the Avogadro number of particles of a substance.
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संबंधित प्रश्न
Convert into mole.
20 g of water
If 16 g of oxygen contains 1 mole of oxygen atoms, calculate the mass of one atom of oxygen.
How many atoms are there in 0.25 mole of hydrogen ?
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
Deduce the number of molecules of the following compound in the given quantity.
32g oxygen
Calculate the number of moles and number of molecules present in 1.4 g of ethylene gas. What is the volume occupied by the same amount of ethylene?
Define or explain the term:
Relative atomic mass
Define or explain the term:
Mole
Which of the following weighs the least?
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
magnesium oxide
