Question

The value of Avogadro number is

(a) 6.023 x 10²² 

(b) 6.022 x 10²³ 

(c) 6.023 x 10²⁴

(d) 6.023 x 10²⁵ 

Answer 1

(b) 6.022 x 10²³ 

Avogadro constant is defined as the number of constituent particles per mole of a given substance.

The value for Avogadro's constant is 6.022 x 10²³.

It is used as the number of units in a mole of any substance.

For Example: 1 mole of CO₂​ has 44 g and it has  6.022 x 10²³ molecules in it.