Using the activity series, write balanced chemical equations for
the following reactions. If no reaction occurs, simply write no
reaction .
1. Nickel metal is added to a solution of copper(II) nitrate.
2. A solution of zinc nitrate is added to a solution of magnesium sulfate.
3. Hydrochloric acid is added to gold metal.
4. Chromium metal is immersed in an aqueous solution of cobalt(II) chloride.
5. Hydrogen gas is bubbled through a solution of silver nitrate.
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