balance the chemical equation using the smallest possible whole - number coefficients. if the coefficient is…

balance the chemical equation using the smallest possible whole - number coefficients. if the coefficient is 1, you may leave it blank. zn (s) + fecl₃ (aq) → zncl₂ (aq) + fe (s)

balance the chemical equation using the smallest possible whole - number coefficients. if the coefficient is 1, you may leave it blank. zn (s) + fecl₃ (aq) → zncl₂ (aq) + fe (s)

Answer

Explanation:

Step1: Balance chlorine atoms

To balance the chlorine atoms, find the least - common multiple of 3 (from $FeCl_3$) and 2 (from $ZnCl_2$), which is 6. So, the coefficient of $FeCl_3$ is 2 and the coefficient of $ZnCl_2$ is 3. $Zn(s)+2FeCl_3(aq)\rightarrow3ZnCl_2(aq)+Fe(s)$

Step2: Balance zinc and iron atoms

Now, to balance zinc and iron atoms, we need 3 moles of $Zn$ and 2 moles of $Fe$. $3Zn(s)+2FeCl_3(aq)\rightarrow3ZnCl_2(aq)+2Fe(s)$

Answer:

3; 2; 3; 2