How many HCL-molecules in 1,5mol HCL

number of molecules =9.03×10^23

Explanation:

use the equation

n=number of molecules /Av.constant

make number of Molecules become the subject of the formula by multplying Av.constant on both sides of the equation,

number of molecules=n×Av. constant ,where Av.constant is 6.02×10^23

number of molecules=1.5mol×6.02×10^23

=9.03×10^23

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates