Answer: -
Magnesium reacts very slowly to form magnesium hydroxide and hydrogen gas. The balanced chemical equation for the reaction is
Mg + 2H₂O → Mg(OH)₂ + H₂
Explanation: -
Chemical symbol of magnesium = Mg
Chemical formula for magnesium hydroxide = Mg(OH)₂
Chemical formula for hydrogen gas = H₂
The other reactant with Mg must be water H₂O.
Thus the balanced chemical equation for the reaction is
Mg + 2H₂O → Mg(OH)₂ + H₂
Answer:
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According to Le Chatelier's principle, at equilibrium, the rates of both the forward and reverse equations will be equal.
Adding more reactants will cause the rate of forward reaction to increase (the equilibrium will shift to the left) in order to form more products and compensate for the increase of reactants. The concentration of products will gradually increase till a new equilibrium is reached.
Answer:
Explanation:
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In this case, since the dissociation of aluminum hydroxide is:
The equilibrium expression is:
Thus, given the concentration of hydroxyl ions in the solution, and the 3:1 mole ratio with the aluminum ions, the concentration of those turn out:
Therefore, the solubility product, Ksp turns out:
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