which statement best describes a mole? it is 12 units of a given substance. it contains 6.02 x 10^23 grams…

which statement best describes a mole? it is 12 units of a given substance. it contains 6.02 x 10^23 grams of sodium chloride. it is the mass of 12 carbon atoms. it contains 6.02 x 10^23 particles of a given substance.

which statement best describes a mole? it is 12 units of a given substance. it contains 6.02 x 10^23 grams of sodium chloride. it is the mass of 12 carbon atoms. it contains 6.02 x 10^23 particles of a given substance.

Answer

Brief Explanations:

A mole is defined as the amount of a substance that contains Avogadro's number ($6.02\times 10^{23}$) of particles (atoms, molecules, ions etc.). It is not 12 units of a substance, not a specific mass in grams for sodium - chloride, and not the mass of 12 carbon atoms.

Answer:

It contains $6.02\times 10^{23}$ particles of a given substance.