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प्रश्न
Fill in the following blanks :
A mole represents an .............. number of particles of a substance.
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उत्तर
A mole represents the Avogadro number of particles of a substance.
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संबंधित प्रश्न
Calculate the molar mass of the following substance:
Ethyne, C2H2
What weight of each element is present in 1.5 moles of sodium sulphite, Na2SO3 ?
(Atomic masses : Na = 23 u ; S = 32 u ; O = 16 u)
The ratio of moles of atoms in 12 g of magnesium and 16 g of sulphur will be :
Prove the Following :
One mole of any gas contains th e same number of molecules.
What is the value of Avogadro's number?
Define the term:
Mole
From the equation for burning of hydrogen and oxygen
\[\ce{2H2 + O2 -> 2H2O}\] (Steam)
Write down the number of mole (or moles) of steam obtained from 0.5 moles of oxygen.
Calculate the number of moles in 1.51 × 1023 molecules of NH4Cl.
How many grams are there in the following?
2 moles of the hydrogen molecule, H2.
The difference in the mass of 100 moles each of sodium atoms and sodium ions is 5.48002 g. Compute the mass of an electron.
