Answer:
42.82 × 10²³ formula units
Explanation:
Given data:
Number of moles of CaCl₂ = 7.11 mol
Number of formula units = ?
Solution:
We will solve this problem by using Avogadro number.
1 mole of substance contain 6.022× 10²³ formula units.
7.11 mol × 6.022× 10²³ formula units / 1mol
42.82 × 10²³ formula units
