How would you balance Na(s) + Cl2 → NaCl(s)?

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How would you balance Na(s) + Cl2 → NaCl(s)?

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Answer 1 · 2015-10-18T00:41:01

The balanced equation is $2Na(s) + {Cl}_{2} (g)$ $"2Na(s)"+"Cl"_2("g")"$ $\to$ $rarr$ $2NaCl(s)$ $"2NaCl(s)"$ .

Explanation:

How to Balance the Equation $Na(s) + {Cl}_{2} (g)$ $"Na(s)"+"Cl"_2("g")"$ $\to$ $rarr$ $NaCl$ $"NaCl"$ .

Since there are two chlorine atoms on the left side, there needs to be two chlorine atoms on the right side. So I put a coefficient of two in front of the formula $NaCl$ $"NaCl"$ .

$Na(s) + {Cl}_{2} (g)$ $"Na(s)"+"Cl"_2("g")"$ $\to$ $rarr$ $2NaCl$ $"2NaCl"$

Now there are two sodium and two chlorine atoms on the right side. However, the left side has only one sodium atom. So I put a coefficient of two in front of the formula $Na$ $"Na"$ .

$2Na(s) + {Cl}_{2} (g)$ $"2Na(s)"+"Cl"_2("g")"$ $\to$ $rarr$ $2NaCl(s)$ $"2NaCl(s)"$

Now there are two sodium and two chlorine atoms on both sides of the equation and it is balanced.

Notice that I only changed the amount of each substance by changing the coefficients. I did not change the formulas.

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How would you balance Na(s) + Cl2 → NaCl(s)?

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