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# Oxidation and reduction problems

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1) When iron is oxidized in the presence of nitric acid, three products are formed: iron(III) nitrate, nitrogen dioxide and water. Write and balance the equation for this reaction. Then calculate how many grams of water are formed if 500 grams of iron are reacted with 500 grams of nitric acid.

2) When iron is oxidized in the presence of nitric acid, three products are formed: iron(II) nitrate, nitrogen dioxide and water. Write and balance the equation for this reaction. THen calculate how many grams of water are formed if 500 grams of iron are reacted with 500 grams of nitric acid.

3) When iron is oxidized in the presence of nitric acid, three products are formed: iron(III) oxide, nitrogen dioxide and water. First, write and balance the equation for this reaction. Then calculate how many grams of water are formed if 500 grams of iron are reacted with 500 grams of nitric acid.

https://brainmass.com/chemistry/acids-and-bases/oxidation-reduction-problems-39267

#### Solution Preview

Rxn (1) Fe +4HNO3 =====Fe(NO3)3 +NO2 +H20
wrote just the products and reactants and balanced O first all follows

Rxn(2) Fe +4HNO3=======Fe(NO3)2 +2NO2 +2 ...

#### Solution Summary

The oxidation and reduction problems are examined. The solution is explained step-by-step in an attachment.

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