What is the S.I unit for the amount of substance.

Amount of substance:

• It is represented by a mole.
• One mole of any substance contains $6.022\times {10}^{23}$ elementary entities.

S.I unit:

• It denotes an international system of units which is a scientific method of expressing the magnitudes or quantities of the various phenomenon.
• S.I unit of the amount of substance is mole denoted by the symbol mol.

Thus, the S.I unit for the amount of substance is mol.