Question

4Ca(ClO3)2

What mistake did Carl make?

Answer 1

Cl03 is a polyatomic ion with a charge of -1. So 2 of those brings that charge to -2. Ca=+2. So Ca=+2 and (Cl03)2= -2. This would balance out the equation. The final result would be Ca(ClO3)2

Answer 2

He did not multiply the calcium atoms by the subscript 2.

Step-by-step explanation: