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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
Calculate the molar mass of the following substance:
Nitric acid, HNO3
How many moles of calcium carbonate (CaCO3) are present in 10 g of the substance ? (Ca = 40 u ; C = 12 u ; O = 16 u)
How many atoms are there in 0.25 mole of hydrogen ?
The relative atomic mass of Cl atom is 35.5 a.m.u. Explain this statement.
Explain the term:
Mole
Find the number of molecules in 73 g of HCl.
Calculate the number of particles in 0.1 mole of any substance.
Calculate the mass of 0.1 mole of the following:
Mg
(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?
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.
