Question

Determine the percentage composition by mass of each of the elements in the following compounds

a. calcium chloride, cacl2​

Answer 1

63.9%

Step-by-step explanation:

moral mass of x (# x ions) -divided by- Moral mass of compound.

% of cl = (35.5g) (2 cl ions) -divided by- 111.1g × 100

%= 63.9%