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प्रश्न
What is a group of 6.022 × 1023 particles known as ?
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उत्तर
A group of 6.022 × 1023 particles is known as one mole.
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संबंधित प्रश्न
Explain with examples what is meant by a 'mole' of a substance.
Define the term Relative atomic mass.
Explain the term:
Gram mole
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?
Define or explain the term:
Relative atomic mass
Find the number of moles in 10 g of CaCO3.
Four grams of caustic soda contains ______.
Correct the statement, if required.
Under the same conditions of temperature and pressure, equal volumes of all gases contain the same number of atoms.
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.
Compute the difference in masses of 103 moles each of magnesium atoms and magnesium ions.
(Mass of an electron = 9.1×10–31 kg)
