Answer:

Explanation:
Hello,
In this case, we could considering this as a redox titration:

Thus, the balance turns out (by adding both hydrogen ions and water):

Thus, by stoichiometry, the grams of Fe+2 ions result:

Finally, the mass percent is:

Best regards.
Jdjejsbdjwwoanwjediekemwmkssk
<span>The term used by meteorologists for predicting the we ather is </span>forecasting
The answer would be balanced