Respuesta :

There are 3 atoms in a single molecule of calcium chloride: 1 calcium atom and 2 chlorine atoms.
1 mol is 6.2 * 10^23 "particles"
3.5 mol is 3.5 * 6.2 * 10^23 "particles"
3 * 3.5 * 6.2 * 10^23