Question

Which of the following is the best definition of a mole?

• A. A mole of any substance contains the same number as 12g of12c
• B. A mole is 12g of any element
• C. Amole of any substance contains the same number of particles as 12 g of naturally occuring carbon
• D. A mole is 6.02x10 ²³ atoms of any substance

Answer 1

The correct option is D

A mole is 6.02x10 ²³ atoms of any substance

A mole is defined as the amount of substance that contains as many particles as there are atoms in exactly 12 g of carbon 12 isotope .A mole represents $6.022\times {10}^{23}$ particles irrespective of their nature. 1 mole equal to $6.022\times {10}^{23}$