1. Which of the following is the ratio of magnesium ions to carbonate ions when magnesium carbonate is in equilibrium wi

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1 Which Of The Following Is The Ratio Of Magnesium Ions To Carbonate Ions When Magnesium Carbonate Is In Equilibrium Wi 1 (38.18 KiB) Viewed 74 times

1. Which of the following is the ratio of magnesium ions to carbonate ions when magnesium carbonate is in equilibrium with its ions? a 1:1 b. 12 d. 21 31 13:2 1:3 2. In a saturated solution of sodium chloride, the concentration of sodium ions is 0.750 M. Which of the following values is the K of this solution? a. 6.52 X 10¹ b. 5.62 X 10 d. 5.62 X 10 e. 7.50 X 10 7.50 X 10¹ c. 6.52 X 10 3. For the equilibrium system below, which of the following would result in an increase in the concentration of O,(g)? Choose ALL that apply. 2H,S(g) + 30,(g) 250,(g) + 2H,O(g) + 1124 kJ d. The addition of SO, a. The addition of heat i b. The removal of heat The removal of SO, e. An increase in pressure f. A decrease in pressure 4. For the equilibrium system below, which of the following would result in a reduction in the concentration of NO(g)? Choose ALL that apply. 2HNO,(aq) + NO(g) + 145.75 kJ NO₂(g) + H₂O(g) a. The addition of heati b. The removal of heat d. The addition of NO e. An increase in pressure f. A decrease in pressure c. The removal of NO 5. For the saturated solution below, which of the following would result in an increase in the concentration of Ca(aq)? Choose ALL that apply Ca(OH),(s) Ca³(aq) + 2OH(aq) + 16.6 kJ a. The addition of heat b. The removal of heat d. The addition of H(aq) e. An increase in pressure f A decrease in pressure c. The addition of Ca(OH),(s) 6. Which of the following is the solubility product constant expression for MgBr,(s) Mg(aq) + 2Br (aq)? a. K[Mg[Br]/[MgBr) d. K[MgBra]/[Mg][Br] b. K[Mg][Br]/[MgBr.] c. KMgBr/ [MgBr.) e. K [MgBr₂]/[Mg][Br] f K=[MgBr]/[Mg[Br]