HELP BRAINLIEST Question 18 How many moles are in 20.0 g of CaCl2?
Link to Periodic Table of the Elements
0.180 mol
110.98 mol
5.55 mol
0.265 mol

0.18mol

Explanation:

Given parameters:

Mass of CaCl₂  = 20g

Unknown:

Number of moles = ?

Solution:

To solve this problem;

     Number of moles  =  

Molar mass of CaCl₂ = 40 + 2(35.5) = 111g/mol

     Number of moles  = = 0.18mol

idk

explanation:

i just learnt this recently but i need to look through my notes again