Ions in a certain volume of 0.20MNaCl(aq) are represented in the box above on the left. In the box above on the right, draw a particulate diagram that represents the ions in the same volume of 0.10MCaCl2
Four Ca²⁺ and eight Cl⁻ ions.
0.20 mol·L⁻¹ NaCl = 8Na⁺ + 8Cl⁻
0.10 mol·L⁻¹ NaCl = 4Na⁺ + 4Cl⁻
0.10 mol·L⁻¹ CaCl₂ = 4Ca²⁺ + 8Cl⁻
The square will contain 4 Ca²⁺ ions and 8 Cl⁻ ions.
It should resemble the diagram below
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