Ireally need ! calcium metal reacts with a potassium chloride solution to form calcium chloride and potassium ions. balance this reaction. (s) + (aq) → cacl2(s) + +(aq) a) 1, 2, 1, 2 b) 1, 2, 1, 1 c) 1, 1, 1, 1 d) 2, 1, 2, 1

A because KCL 2 and K + CL cancel out and Both of the Ca cancel each other out

Option (A) is the correct answer.

Explanation:

When calcium reacts with potassium chloride then  it results in the formation of calcium oxide and potassium ions.

The given equation is as follows.

Number of atoms on reactant side are as follows.

Number of atoms on product side are as follows.

To balance the given equation, multiply KCl by 2 on the reactant side and multiply potassium ions by 2 on product side. Therefore, balanced chemical equation will be as follows.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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