A mole is defined as that amount of substance which contains Avogadro’s number of atoms if the substance is atomic or Avogadro’s number of molecules if the substance is molecular. … 1 mole of carbon atoms = 6.022 ×1023 atoms of carbon.
What is mole in chemistry?
A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
What is mole Ncert?
1. The mole is the amount of substance of a. system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon-12; its symbol is “mol.” 2.
What is mole ratio Class 11?
Hint: Mole ratios are the conversion factors which use the moles of the given substance to find the moles of the unknown substance involved in a chemical reaction.
What is a mole in chemistry quizlet?
The mole is the amount of substance that contains as many particles (molecules, ions or atoms) as there are in 12g of carbon. This number has been found to be 6.02 x 10^23. Molar Mass (M) Numerically equal to the relative molecular mass of each element in a molecule.
What is a mole in physics?
The mole, symbol mol, is the SI unit of amount of substance. One mole contains exactly 6.022 140 76 x 1023 elementary entities. This number is the fixed numerical value of the Avogadro constant, NA, when expressed in the unit mol–1 and is called the Avogadro number.