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8. (4 points) Write a balanced chemical equation for each of the following: (a) Aqueous solutions of copper(II) nitrate and potassium hydroxide react to form solid copper(II)hydroxide and aqueous potassium

nitrate. (b) Solid tetraarsenic hexasulfide reacts with oxygen gas to yield solid tetraarsenic hexaoxide and sulfur dioxide gas.

Fig: 1

Fig: 2

Fig: 3