Question

A mole of any substance contains a fixed number of particles. How many particles is it?

• A. 6.022 $\times {10}^{23}$
• B. 6.022 $\times {10}^{32}$
• C. 3.022 $\times {10}^{23}$
• D. 3.022 $\times {10}^{32}$

Answer 1

The correct option is A 6.022 $\times {10}^{23}$

1 mole of any substance contains a fixed number of particles that is equal to Avagadro number.
The value of Avagadro number is $6\times {10}^{23}$.