Santa Monica College Chemistry 12 Equilibrium system: Mg(OH)2 (9 Mg?* (a) 2 OH (

Question

Santa Monica College Chemistry 12 Equilibrium system: Mg(OH)2 (9 Mg?* (a) 2 OH (a) Kp1 Observations Step 1 Adding 1 drop of NaOH (ag) to Mg(NO)2 (ag)Per o ok Step 2 Tube A: Effect when HCI (aq) is added Step 3 Tube B: Effect when NaOH (aq) is added Cou Step 4 Tube C: Effect when NHa (aq) is added uproke cleu t Analysis Explain your observation upon addition of HCI (aq) to the precipitate in Tube A. Righu, to fonm mone aqueous selutions. Based on your observations in Steps 3 and 4 do you think that Mg?' forms stable complex ions? Explain your reasoning.

Explanation / Answer

No. If Mg forms stable complex ions more Mg2+ ions would be consumed and the equilibrium would have been shifted to right and the solution would be clear. But your solution is cloudy . That means eqm is shifted to back and magnesium hydroxide exists as solid.

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