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प्रश्न
Define the term:
Mole
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उत्तर
Mole is the amount of a substance containing elementary particles like atoms, molecules or ions in 12 g of carbon - 12.
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Sulphur molecule, S8
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
Sodium chloride
Explain with examples what is meant by a 'mole' of a substance.
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?
Explain the term:
Molar volume
Define or explain the term:
Relative atomic mass
Define the term:
Gram atom
Calculate the mass of 0.1 mole of the following:
CaCO3
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
A student puts his signature with a graphite pencil. If the mass of carbon in the signature is 10-12 g, calculate the number of carbon atoms in the signature.
The number of atoms present in 0.1 mole of P4 (at. mass = 31) is ______.
