Question

Which of the following statement is correct?

(a) The value of Avogadro’s number is 6.022×10^22 atoms

(b) One molecule of any substance contains Avogadro’s number of particles

(c) One mole is the amount of a substance that contains as many particles as there are atoms in exactly 12 g of the carbon atom

(d) 1 u is not equal to Ma/NA

This question was posed to me in an internship interview.

Query is from Mole Concept and Molar Masses topic in division Chemistry Basic Concepts of Chemistry – Class 11

Answer 1

Correct option is (c) One mole is the amount of a substance that contains as many particles as there are atoms in exactly 12 g of the carbon atom

The explanation is: The corrected statements are as follows: the value of Avogadro’s number is 6.022×10^23 atoms, one molecule of any substance contains Avogadro’s number of particles & 1 u = Ma/NA. The correct option is that one mole is the amount of a substance that contains as many particles as there are atoms in exactly 12 g of the carbon atom.