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Solid nickel reacts with aqueous nitric acid (HNO3) to form aqueous nickel (III) nitrate and hydrogen gas. Write out and balance the chemical equation, including phases.

Respuesta :

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Ni (s) + 2 HNO₃ (aq) → Ni(NO₃)₂ (aq) + H₂ (g)

Explanation:

We have the following balanced chemical equation:

Ni (s) + 2 HNO₃ (aq) → Ni(NO₃)₂ (aq) + H₂ (g)

where:

(aq) - aqueous  (dissolved in water)

(g) - gaseous

To balance the chemical equation the number of atoms of each element entering the reaction have to be equal to the number of atoms of each element leaving the reaction, in order to conserve the mass.

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balancing chemical equations

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